include "properties/relations1.ma".
include "sets/setoids.ma".
-include "hints_declaration.ma".
-nrecord setoid1: Type[2] ≝ {
- carr1:> Type[1];
- eq1: equivalence_relation1 carr1
-}.
+nrecord setoid1: Type[2] ≝
+ { carr1:> Type[1];
+ eq1: equivalence_relation1 carr1
+ }.
-unification hint 0 ≔ R : setoid1;
- MR ≟ (carr1 R),
- lock ≟ mk_lock2 Type[1] MR setoid1 R
-(* ---------------------------------------- *) ⊢
- setoid1 ≡ force2 ? MR lock.
-
-notation < "[\setoid1\ensp\of term 19 x]" non associative with precedence 90 for @{'mk_setoid1 $x}.
-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…);
+ #s; napply mk_setoid1
+ [ napply (carr s)
+ | napply (mk_equivalence_relation1 s)
+ [ napply eq
+ | napply refl
+ | napply sym
+ | napply trans]##]
nqed.
-alias symbol "hint_decl" = "hint_decl_CProp2".
-alias symbol "hint_decl" (instance 1) = "hint_decl_Type2".
-unification hint 0 ≔ A,x,y;
- T ≟ carr A,
- R ≟ setoid1_of_setoid A,
- T1 ≟ carr1 R
-(*-----------------------------------------------*) ⊢
- eq_rel T (eq0 A) x y ≡ eq_rel1 T1 (eq1 R) x y.
-
-unification hint 0 ≔ A;
- R ≟ setoid1_of_setoid A
-(*-----------------------------------------------*) ⊢
- carr A ≡ carr1 R.
+(*ncoercion setoid1_of_setoid : ∀s:setoid. setoid1 ≝ setoid1_of_setoid
+ on _s: setoid to setoid1.*)
+(*prefer coercion Type_OF_setoid.*)
interpretation "setoid1 eq" 'eq t x y = (eq_rel1 ? (eq1 t) x y).
-interpretation "setoid eq" 'eq t x y = (eq_rel ? (eq0 t) x y).
+interpretation "setoid eq" 'eq t x y = (eq_rel ? (eq t) x y).
notation > "hvbox(a break =_12 b)" non associative with precedence 45
for @{ eq_rel2 (carr2 (setoid2_of_setoid1 ?)) (eq2 (setoid2_of_setoid1 ?)) $a $b }.
notation > "hvbox(a break =_0 b)" non associative with precedence 45
-for @{ eq_rel ? (eq0 ?) $a $b }.
+for @{ eq_rel ? (eq ?) $a $b }.
notation > "hvbox(a break =_1 b)" non associative with precedence 45
for @{ eq_rel1 ? (eq1 ?) $a $b }.
interpretation "setoid1 symmetry" 'invert r = (sym1 ???? r).
interpretation "setoid symmetry" 'invert r = (sym ???? r).
-notation ".=_1 r" with precedence 50 for @{'trans_x1 $r}.
+notation ".= r" with precedence 50 for @{'trans $r}.
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] ≝ {
- fun11:1> A → B;
- prop11: ∀a,a'. eq1 ? a a' → eq1 ? (fun11 a) (fun11 a')
-}.
-
-notation > "B ⇒_1 C" right associative with precedence 72 for @{'umorph1 $B $C}.
-notation "hvbox(B break ⇒\sub 1 C)" right associative with precedence 72 for @{'umorph1 $B $C}.
-interpretation "unary morphism 1" 'umorph1 A B = (unary_morphism1 A B).
-
-notation "┼_1 c" with precedence 89 for @{'prop1_x1 $c }.
-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.
-unification hint 0 ≔ S, T ;
- R ≟ (unary_morphism1_setoid1 S T)
-(* --------------------------------- *) ⊢
- carr1 R ≡ unary_morphism1 S T.
-
-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).
+nrecord unary_morphism1 (A,B: setoid1) : Type[1] ≝
+ { fun11:1> A → B;
+ prop11: ∀a,a'. eq1 ? a a' → eq1 ? (fun11 a) (fun11 a')
+ }.
-nlemma unary_morph1_eq1: ∀A,B.∀f,g: A ⇒_1 B. (∀x. f x = g x) → f = g.
-/3/. nqed.
+nrecord binary_morphism1 (A,B,C:setoid1) : Type[1] ≝
+ { fun21:2> A → B → C;
+ prop21: ∀a,a',b,b'. eq1 ? a a' → eq1 ? b b' → eq1 ? (fun21 a b) (fun21 a' b')
+ }.
-nlemma 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.
-
-ndefinition 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:
- ∀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.
-
-unification hint 0 ≔ o1,o2,o3:setoid1,f:o2 ⇒_1 o3,g:o1 ⇒_1 o2;
- R ≟ (mk_unary_morphism1 ?? (composition1 ??? (fun11 ?? f) (fun11 ?? g))
- (prop11 ?? (comp1_unary_morphisms o1 o2 o3 f g)))
- (* -------------------------------------------------------------------- *) ⊢
- fun11 o1 o3 R ≡ composition1 ??? (fun11 ?? f) (fun11 ?? g).
-
-ndefinition 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.
+interpretation "prop11" 'prop1 c = (prop11 ????? c).
+interpretation "prop21" 'prop2 l r = (prop21 ???????? l r).
+interpretation "refl1" 'refl = (refl1 ???).
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