X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matitaB%2Fmatita%2Fnlibrary%2Fsets%2Fsetoids1.ma;h=751c238a52de9ec82c9701f1afbc71a7dba3b14d;hb=538cee79ad9754ad46015de1fd34a3ad808f08c7;hp=90be6bc94be18f5758c7ce8b8fb5ee8c2d63c5a4;hpb=cacbe3c6493ddce76c4c13379ade271d8dd172e8;p=helm.git diff --git a/matitaB/matita/nlibrary/sets/setoids1.ma b/matitaB/matita/nlibrary/sets/setoids1.ma index 90be6bc94..751c238a5 100644 --- a/matitaB/matita/nlibrary/sets/setoids1.ma +++ b/matitaB/matita/nlibrary/sets/setoids1.ma @@ -16,7 +16,7 @@ include "properties/relations1.ma". include "sets/setoids.ma". include "hints_declaration.ma". -nrecord setoid1: Type[2] ≝ { +record setoid1: Type[2] ≝ { carr1:> Type[1]; eq1: equivalence_relation1 carr1 }. @@ -31,9 +31,9 @@ notation < "[\setoid1\ensp\of term 19 x]" non associative with precedence 90 f interpretation "mk_setoid1" 'mk_setoid1 x = (mk_setoid1 x ?). (* da capire se mettere come coercion *) -ndefinition setoid1_of_setoid: setoid → setoid1. - #s; @ (carr s); @ (eq0…) (refl…) (sym…) (trans…); -nqed. +definition setoid1_of_setoid: setoid → setoid1. + #s % [@(carr s)] % [@(eq0…)|@(refl…)|@(sym…)|@(trans…)] +qed. alias symbol "hint_decl" = "hint_decl_CProp2". alias symbol "hint_decl" (instance 1) = "hint_decl_Type2". @@ -66,7 +66,7 @@ interpretation "trans1" 'trans r = (trans1 ????? r). interpretation "trans" 'trans r = (trans ????? r). interpretation "trans1_x1" 'trans_x1 r = (trans1 ????? r). -nrecord unary_morphism1 (A,B: setoid1) : Type[1] ≝ { +record unary_morphism1 (A,B: setoid1) : Type[1] ≝ { fun11:1> A → B; prop11: ∀a,a'. eq1 ? a a' → eq1 ? (fun11 a) (fun11 a') }. @@ -80,13 +80,14 @@ interpretation "prop11" 'prop1 c = (prop11 ????? c). interpretation "prop11_x1" 'prop1_x1 c = (prop11 ????? c). interpretation "refl1" 'refl = (refl1 ???). -ndefinition unary_morphism1_setoid1: setoid1 → setoid1 → setoid1. - #s; #s1; @ (s ⇒_1 s1); @ - [ #f; #g; napply (∀a,a':s. a=a' → f a = g a') - | #x; #a; #a'; #Ha; napply (.= †Ha); napply refl1 - | #x; #y; #H; #a; #a'; #Ha; napply (.= †Ha); napply sym1; /2/ - | #x; #y; #z; #H1; #H2; #a; #a'; #Ha; napply (.= †Ha); napply trans1; ##[##2: napply H1 | ##skip | napply H2]//;##] -nqed. +definition unary_morphism1_setoid1: setoid1 → setoid1 → setoid1. + #s #s1 % [@(s ⇒_1 s1)] % + [ #f #g @(∀a,a':s. a=a' → f a = g a') + | #x #a #a' #Ha @(.= †Ha) @refl1 + | #x #y #H #a #a' #Ha @(.= †Ha) @sym1 /2/ + | #x #y #z #H1 #H2 #a #a' #Ha @(.= †Ha) @trans1 + [2: @H1 | skip | @H2] // ] +qed. unification hint 0 ≔ S, T ; R ≟ (unary_morphism1_setoid1 S T) @@ -97,27 +98,29 @@ notation "l ╪_1 r" with precedence 89 for @{'prop2_x1 $l $r }. interpretation "prop21" 'prop2 l r = (prop11 ? (unary_morphism1_setoid1 ??) ? ?? l ?? r). interpretation "prop21_x1" 'prop2_x1 l r = (prop11 ? (unary_morphism1_setoid1 ??) ? ?? l ?? r). -nlemma unary_morph1_eq1: ∀A,B.∀f,g: A ⇒_1 B. (∀x. f x = g x) → f = g. -/3/. nqed. +lemma unary_morph1_eq1: ∀A,B.∀f,g: A ⇒_1 B. (∀x. f x = g x) → f = g. +/3/ +qed. -nlemma mk_binary_morphism1: +(* DISAMBIGUATION XXX: this takes some time to disambiguate *) +lemma mk_binary_morphism1: ∀A,B,C: setoid1. ∀f: A → B → C. (∀a,a',b,b'. a=a' → b=b' → f a b = f a' b') → A ⇒_1 (unary_morphism1_setoid1 B C). - #A; #B; #C; #f; #H; @ [ #x; @ (f x) ] #a; #a'; #Ha [##2: napply unary_morph1_eq1; #y] - /2/. -nqed. + #A #B #C #f #H % [ #x % [@(f x)]] #a #a' #Ha [2: @unary_morph1_eq1 #y] + /2/ +qed. -ndefinition composition1 ≝ +definition composition1 ≝ λo1,o2,o3:Type[1].λf:o2 → o3.λg: o1 → o2.λx.f (g x). interpretation "function composition" 'compose f g = (composition ??? f g). interpretation "function composition1" 'compose f g = (composition1 ??? f g). -ndefinition comp1_unary_morphisms: +definition comp1_unary_morphisms: ∀o1,o2,o3:setoid1.o2 ⇒_1 o3 → o1 ⇒_1 o2 → o1 ⇒_1 o3. -#o1; #o2; #o3; #f; #g; @ (f ∘ g); - #a; #a'; #e; nnormalize; napply (.= †(†e)); napply #. -nqed. +#o1 #o2 #o3 #f #g % [@ (f ∘ g)] + #a #a' #e normalize @(.= †(†e)) @# +qed. unification hint 0 ≔ o1,o2,o3:setoid1,f:o2 ⇒_1 o3,g:o1 ⇒_1 o2; R ≟ (mk_unary_morphism1 ?? (composition1 ??? (fun11 ?? f) (fun11 ?? g)) @@ -125,9 +128,9 @@ unification hint 0 ≔ o1,o2,o3:setoid1,f:o2 ⇒_1 o3,g:o1 ⇒_1 o2; (* -------------------------------------------------------------------- *) ⊢ fun11 o1 o3 R ≡ composition1 ??? (fun11 ?? f) (fun11 ?? g). -ndefinition comp1_binary_morphisms: +definition comp1_binary_morphisms: ∀o1,o2,o3. (o2 ⇒_1 o3) ⇒_1 ((o1 ⇒_1 o2) ⇒_1 (o1 ⇒_1 o3)). -#o1; #o2; #o3; napply mk_binary_morphism1 - [ #f; #g; napply (comp1_unary_morphisms … f g) - | #a; #a'; #b; #b'; #ea; #eb; #x; #x'; #Hx; nnormalize; /3/ ] -nqed. +#o1 #o2 #o3 @mk_binary_morphism1 + [ #f #g @(comp1_unary_morphisms … f g) + | #a #a' #b #b' #ea #eb #x #x' #Hx normalize /3/ ] +qed.