fact
string
type
string
library
string
imports
list
filename
string
symbolic_name
string
docstring
string
fsetU A B := [fset[fsetU_key] x in enum_fset A ++ enum_fset B].
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetU
fsetI_key : unit. Proof. exact: tt. Qed.
Fact
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetI_key
fsetI A B := [fset[fsetI_key] x in A | x \in B].
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetI
fsetD_key : unit. Proof. exact: tt. Qed.
Fact
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetD_key
fsetD A B := [fset[fsetD_key] x in A | x \notin B].
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetD
fsetM_key : unit. Proof. exact: tt. Qed.
Fact
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetM_key
fsetM A E := [fset[fsetM_key] (x, y) | x : K in A, y : K' in E].
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetM
fsubset A B := fsetI A B == A.
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsubset
fproper A B := fsubset A B && ~~ fsubset B A.
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fproper
fdisjoint A B := (fsetI A B == fset0).
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fdisjoint
imfsetP (T : choiceType) (f : T -> K) (p : finmempred T) (k : K) : reflect (exists2 x : T, in_mem x p & k = f x) (k \in imfset key f p). Proof. rewrite unlock seq_fsetE /=; apply: (iffP mapP) => [] [x xp eqkf]; by exists x => //=; move: xp; rewrite enum_finmemE. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
imfsetP
in_imfset (T : choiceType) (f : T -> K) (p : finmempred T) (x : T) : in_mem x p -> f x \in imfset key f p. Proof. by move=> px; apply/imfsetP; exists x. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_imfset
imfset_rec (T : choiceType) (f : T -> K) (p : finmempred T) (P : imfset key f p -> Prop) : (forall (x : T) (px : in_mem x p), P [` in_imfset f px ]) -> forall k, P k. Proof. move=> PP v; have /imfsetP [k pk vv_eq] := valP v. pose vP := in_imfset f pk; suff -> : P v = P [` vP] by apply: PP. by congr P; apply/val_inj => ...
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
imfset_rec
mem_imfset (T : choiceType) (f : T -> K) (p : finmempred T) : injective f -> forall (x : T), (f x \in imfset key f p) = (in_mem x p). Proof. by move=> f_inj x; rewrite unlock seq_fsetE mem_map// enum_finmemE. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
mem_imfset
imfset2P (T1 : choiceType) (T2 : T1 -> choiceType) (f : forall x, T2 x -> K) (p1 : finmempred T1) (p2 : forall x, finmempred (T2 x)) k : reflect (exists2 x : T1, in_mem x p1 & exists2 y : T2 x, in_mem y (p2 x) & k = f x y) (k \in imfset2 key f p1 p2). Proof. rewrite unlock !seq_fsetE; apply: (iffP allpairsPdep). move=>...
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
imfset2P
in_imfset2 (T1 : choiceType) (T2 : T1 -> choiceType) (f : forall x, T2 x -> K) (p1 : finmempred T1) (p2 : forall x, finmempred (T2 x)) (x : T1) (y : T2 x) : in_mem x p1 -> in_mem y (p2 x) -> f x y \in imfset2 key f p1 p2. Proof. by move=> xD1 yD2; apply/imfset2P; exists x => //; exists y. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_imfset2
mem_imfset2 (T1 : choiceType) (T2 : T1 -> choiceType) (f : forall x, T2 x -> K) (g := fun t : {x : T1 & T2 x} => f (tag t) (tagged t)) (p1 : finmempred T1) (p2 : forall x, finmempred (T2 x)) (x : T1) (y : T2 x) : injective g -> f x y \in imfset2 key f p1 p2 = (in_mem x p1) && (in_mem y (p2 x)). Proof. move=> f_inj; rew...
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
mem_imfset2
enum_imfset (T : choiceType) (f : T -> K) (p : finmempred T) : {in p &, injective f} -> perm_eq (imfset key f p) [seq f x | x <- enum_finmem p]. Proof. move=> f_inj; rewrite unlock -[X in perm_eq _ X]undup_id ?seq_fset_perm//. rewrite map_inj_in_uniq ?enum_finmem_uniq // => ??. by rewrite ?enum_finmemE; apply: f_inj. Q...
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
enum_imfset
enum_imfset2 (T1 : choiceType) (T2 : T1 -> choiceType) (f : forall x, T2 x -> K) (p1 : finmempred T1) (p2 : forall x, finmempred (T2 x)) : {in [pred t | p1 (tag t) & p2 _ (tagged t)] &, injective (fun t : sigT T2 => f (tag t) (tagged t))} -> perm_eq (imfset2 key f p1 p2) [seq f x y | x <- enum_finmem p1, y <- enum_finm...
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
enum_imfset2
in_fset (p : finmempred K) (k : K) : (k \in imfset key id p) = in_mem k p. Proof. by rewrite mem_imfset; apply: inj_id. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset
val_in_fset A (p : finmempred _) (k : A) : (val k \in imfset key val p) = (in_mem k p). Proof. by rewrite mem_imfset ?in_finmempred //; exact: val_inj. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
val_in_fset
in_fset_val A (p : finmempred A) (k : K) : (k \in imfset key val p) = if insub k is Some a then in_mem a p else false. Proof. have [a _ <- /=|kNA] := insubP; first by rewrite val_in_fset. by apply/imfsetP => [] [a _ k_def]; move: kNA; rewrite k_def [_ \in _]valP. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset_val
in_fset_valT A (p : finmempred _) (k : K) (kA : k \in A) : (k \in imfset key val p) = in_mem [` kA] p. Proof. by rewrite in_fset_val insubT /=. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset_valT
in_fset_valP A (p : finmempred _) (k : K) : reflect {kA : k \in A & in_mem [` kA] p} (k \in imfset key val p). Proof. apply: (iffP (imfsetP _ _ _ _)) => [|[kA xkA]]; last by exists [`kA]. by move=> /sig2_eqW[/= x Xx ->]; exists (valP x); rewrite fsetsubE. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset_valP
in_fset_valF A (p : finmempred A) (k : K) : k \notin A -> (k \in imfset key val p) = false. Proof. by apply: contraNF => /imfsetP[/= a Xa->]. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset_valF
in_fset_nil a : a \in [fset[key] x in [::]] = false. Proof. by rewrite !mem_imfset. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset_nil
in_fset_cons x (xs : seq K) a : (a \in [fset[key] x in x :: xs]) = ((a == x) || (a \in [fset[key] x in xs])). Proof. by rewrite !mem_imfset. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset_cons
in_fset_cat (xs ys : seq K) a : (a \in [fset[key] x in xs ++ ys]) = ((a \in [fset[key] x in xs]) || (a \in [fset[key] x in ys])). Proof. by rewrite !mem_imfset//= mem_cat. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset_cat
in_fset_ (key : unit) := (in_fset_cons, in_fset_nil, in_fset_cat, in_fset).
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset_
card_in_imfset (T T' : choiceType) (f : T -> T') (p : finmempred T) : {in p &, injective f} -> #|` (imfset key f p)| = (size (enum_finmem p)). Proof. move=> f_inj; rewrite unlock /= size_seq_fset undup_id ?size_map//. rewrite map_inj_in_uniq ?enum_finmem_uniq// => ??. by rewrite !enum_finmemE; apply: f_inj. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
card_in_imfset
card_imfset (T T' : choiceType) (f : T -> T') (p : finmempred _) : injective f -> #|` (imfset key f p)| = size (enum_finmem p). Proof. by move=> f_inj; rewrite card_in_imfset //= => x y ? ?; apply: f_inj. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
card_imfset
leq_imfset_card (T T' : choiceType) (f : T -> T') (p : finmempred _) : (#|` imfset key f p| <= size (enum_finmem p))%N. Proof. by rewrite unlock size_seq_fset (leq_trans (size_undup _)) ?size_map. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
leq_imfset_card
fsetP {A B} : A =i B <-> A = B. Proof. by split=> [eqAB|-> //]; apply/val_inj/canonical_eq_keys => //= a. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetP
in_fset_spec (A : {fset K}) (x : K) : K -> bool -> Prop := | InFset (u : A) & x = val u : in_fset_spec A x (val u) true | OutFset of x \notin A : in_fset_spec A x x false.
Variant
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset_spec
in_fsetP A x : in_fset_spec A x x (x \in A). Proof. have [xA|xNA] := boolP (x \in A); last by constructor. by have {2}-> : x = val [` xA] by []; constructor. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fsetP
fset_eqP {A B} : reflect (A =i B) (A == B). Proof. exact: (equivP eqP (iff_sym fsetP)). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fset_eqP
in_fset0 x : x \in fset0 = false. Proof. by []. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset0
in_fset1 a' a : a \in [fset a'] = (a == a'). Proof. by rewrite !in_fset_ orbF. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset1
in_fsetU A B a : (a \in A `|` B) = (a \in A) || (a \in B). Proof. by rewrite !in_fset_. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fsetU
in_fset1U a' A a : (a \in a' |` A) = (a == a') || (a \in A). Proof. by rewrite in_fsetU in_fset1. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fset1U
in_fsetI A B a : (a \in A `&` B) = (a \in A) && (a \in B). Proof. by rewrite in_fset. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fsetI
in_fsetD A B a : (a \in A `\` B) = (a \notin B) && (a \in A). Proof. by rewrite in_fset andbC. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fsetD
in_fsetD1 A b a : (a \in A `\ b) = (a != b) && (a \in A). Proof. by rewrite in_fsetD in_fset1. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fsetD1
in_fsetM A E (u : K * K') : (u \in A `*` E) = (u.1 \in A) && (u.2 \in E). Proof. by case: u => /= x y; rewrite mem_imfset2//= => -[??] [??] [-> ->]. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fsetM
in_fsetE := (@in_fset_ imfset_key, val_in_fset, in_fset0, in_fset1, in_fsetU, in_fsetI, in_fsetD, in_fsetM, in_fset1U, in_fsetD1).
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fsetE
inE := (inE, in_fsetE).
Let
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
inE
fsetIC (A B : {fset K}) : A `&` B = B `&` A. Proof. by apply/fsetP => a; rewrite !inE andbC. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIC
fsetUC (A B : {fset K}) : A `|` B = B `|` A. Proof. by apply/fsetP => a; rewrite !inE orbC. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUC
fset0I A : fset0 `&` A = fset0. Proof. by apply/fsetP => x; rewrite !inE andFb. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fset0I
fsetI0 A : A `&` fset0 = fset0. Proof. by rewrite fsetIC fset0I. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetI0
fsetIA A B C : A `&` (B `&` C) = A `&` B `&` C. Proof. by apply/fsetP=> x; rewrite !inE andbA. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIA
fsetICA A B C : A `&` (B `&` C) = B `&` (A `&` C). Proof. by rewrite !fsetIA (fsetIC A). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetICA
fsetIAC A B C : A `&` B `&` C = A `&` C `&` B. Proof. by rewrite -!fsetIA (fsetIC B). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIAC
fsetIACA A B C D : (A `&` B) `&` (C `&` D) = (A `&` C) `&` (B `&` D). Proof. by rewrite -!fsetIA (fsetICA B). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIACA
fsetIid A : A `&` A = A. Proof. by apply/fsetP=> x; rewrite inE andbb. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIid
fsetIIl A B C : A `&` B `&` C = (A `&` C) `&` (B `&` C). Proof. by rewrite fsetIA !(fsetIAC _ C) -(fsetIA _ C) fsetIid. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIIl
fsetIIr A B C : A `&` (B `&` C) = (A `&` B) `&` (A `&` C). Proof. by rewrite !(fsetIC A) fsetIIl. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIIr
fsetUA A B C : A `|` (B `|` C) = A `|` B `|` C. Proof. by apply/fsetP => x; rewrite !inE orbA. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUA
fsetUCA A B C : A `|` (B `|` C) = B `|` (A `|` C). Proof. by rewrite !fsetUA (fsetUC B). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUCA
fsetUAC A B C : A `|` B `|` C = A `|` C `|` B. Proof. by rewrite -!fsetUA (fsetUC B). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUAC
fsetUACA A B C D : (A `|` B) `|` (C `|` D) = (A `|` C) `|` (B `|` D). Proof. by rewrite -!fsetUA (fsetUCA B). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUACA
fsetUid A : A `|` A = A. Proof. by apply/fsetP=> x; rewrite inE orbb. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUid
fsetUUl A B C : A `|` B `|` C = (A `|` C) `|` (B `|` C). Proof. by rewrite fsetUA !(fsetUAC _ C) -(fsetUA _ C) fsetUid. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUUl
fsetUUr A B C : A `|` (B `|` C) = (A `|` B) `|` (A `|` C). Proof. by rewrite !(fsetUC A) fsetUUl. Qed. (* distribute /cancel *)
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUUr
fsetIUr A B C : A `&` (B `|` C) = (A `&` B) `|` (A `&` C). Proof. by apply/fsetP=> x; rewrite !inE andb_orr. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIUr
fsetIUl A B C : (A `|` B) `&` C = (A `&` C) `|` (B `&` C). Proof. by apply/fsetP=> x; rewrite !inE andb_orl. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIUl
fsetUIr A B C : A `|` (B `&` C) = (A `|` B) `&` (A `|` C). Proof. by apply/fsetP=> x; rewrite !inE orb_andr. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUIr
fsetUIl A B C : (A `&` B) `|` C = (A `|` C) `&` (B `|` C). Proof. by apply/fsetP=> x; rewrite !inE orb_andl. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUIl
fsetUKC A B : (A `|` B) `&` A = A. Proof. by apply/fsetP=> x; rewrite !inE orbK. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUKC
fsetUK A B : (B `|` A) `&` A = A. Proof. by rewrite fsetUC fsetUKC. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUK
fsetKUC A B : A `&` (B `|` A) = A. Proof. by rewrite fsetIC fsetUK. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetKUC
fsetKU A B : A `&` (A `|` B) = A. Proof. by rewrite fsetIC fsetUKC. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetKU
fsetIKC A B : (A `&` B) `|` A = A. Proof. by apply/fsetP=> x; rewrite !inE andbK. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIKC
fsetIK A B : (B `&` A) `|` A = A. Proof. by rewrite fsetIC fsetIKC. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIK
fsetKIC A B : A `|` (B `&` A) = A. Proof. by rewrite fsetUC fsetIK. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetKIC
fsetKI A B : A `|` (A `&` B) = A. Proof. by rewrite fsetIC fsetKIC. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetKI
fsetUKid A B : B `|` A `|` A = B `|` A. Proof. by rewrite -fsetUA fsetUid. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUKid
fsetUKidC A B : A `|` B `|` A = A `|` B. Proof. by rewrite fsetUAC fsetUid. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetUKidC
fsetKUid A B : A `|` (A `|` B) = A `|` B. Proof. by rewrite fsetUA fsetUid. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetKUid
fsetKUidC A B : A `|` (B `|` A) = B `|` A. Proof. by rewrite fsetUCA fsetUid. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetKUidC
fsetIKid A B : B `&` A `&` A = B `&` A. Proof. by rewrite -fsetIA fsetIid. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIKid
fsetIKidC A B : A `&` B `&` A = A `&` B. Proof. by rewrite fsetIAC fsetIid. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIKidC
fsetKIid A B : A `&` (A `&` B) = A `&` B. Proof. by rewrite fsetIA fsetIid. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetKIid
fsetKIidC A B : A `&` (B `&` A) = B `&` A. Proof. by rewrite fsetICA fsetIid. Qed. (* subset *)
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetKIidC
fsubsetP {A B} : reflect {subset A <= B} (A `<=` B). Proof. apply: (iffP fset_eqP) => AsubB a; first by rewrite -AsubB inE => /andP[]. by rewrite inE; have [/AsubB|] := boolP (a \in A). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsubsetP
fset_sub_val A (p : finmempred A) : (imfset key val p) `<=` A. Proof. by apply/fsubsetP => k /in_fset_valP []. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fset_sub_val
fset_sub A (P : pred K) : [fset x in A | P x] `<=` A. Proof. by apply/fsubsetP => k; rewrite in_fset inE /= => /andP []. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fset_sub
fsetD_eq0 (A B : {fset K}) : (A `\` B == fset0) = (A `<=` B). Proof. apply/fset_eqP/fsubsetP => sAB a. by move=> aA; have := sAB a; rewrite !inE aA andbT => /negPn. by rewrite !inE andbC; apply/negP => /andP [/sAB ->]. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetD_eq0
fsubset_refl A : A `<=` A. Proof. exact/fsubsetP. Qed. Hint Resolve fsubset_refl : core.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsubset_refl
fincl A B (AsubB : A `<=` B) (a : A) : B := [` (fsubsetP AsubB) _ (valP a)].
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fincl
fsub B A : {set B} := [set x : B | val x \in A].
Definition
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsub
fsubE A B (AsubB : A `<=` B) : fsub B A = [set fincl AsubB x | x : A]. Proof. apply/setP => x; rewrite in_set; apply/idP/imsetP => [|[[a aA] aA' ->]] //. by move=> xA; exists [` xA]=> //; apply: val_inj. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsubE
fincl_fsub A B (AsubB : A `<=` B) (a : A) : fincl AsubB a \in fsub B A. Proof. by rewrite inE /= (valP a). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fincl_fsub
in_fsub B A (b : B) : (b \in fsub B A) = (val b \in A). Proof. by rewrite inE. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
in_fsub
subset_fsubE C A B : A `<=` C -> B `<=` C -> (fsub C A \subset fsub C B) = (A `<=` B). Proof. move=> sAC sBC; apply/subsetP/fsubsetP => sAB a; last first. by rewrite !inE => /sAB. by move=> aA; have := sAB _ (fincl_fsub sAC [` aA]); rewrite inE. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
subset_fsubE
fsubset_trans : transitive (@fsubset K). Proof. by move=>??? s t ; apply/fsubsetP => a /(fsubsetP s) /(fsubsetP t). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsubset_trans
subset_fsub A B C : A `<=` B -> B `<=` C -> fsub C A \subset fsub C B. Proof. by move=> sAB sBC; rewrite subset_fsubE // (fsubset_trans sAB). Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
subset_fsub
fsetIidPl {A B} : reflect (A `&` B = A) (A `<=` B). Proof. exact: eqP. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIidPl
fsetIidPr {A B} : reflect (A `&` B = B) (B `<=` A). Proof. by rewrite fsetIC; apply: fsetIidPl. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsetIidPr
fsubsetIidl A B : (A `<=` A `&` B) = (A `<=` B). Proof. by apply/fsubsetP/fsubsetP=> sAB a aA; have := sAB _ aA; rewrite !inE ?aA. Qed.
Lemma
root
[ "From Corelib Require Import Setoid.", "From HB Require Import structures.", "From mathcomp Require Import ssreflect ssrbool ssrnat eqtype ssrfun seq.", "From mathcomp Require Import choice finset finfun fintype bigop." ]
finmap.v
fsubsetIidl