(* -------------------------------------------------------------------- *) ⊢
fun11 ?? R ≡ (composition1 … f g).
-(*
-ndefinition comp_binary_morphisms:
+ndefinition comp1_binary_morphisms:
∀o1,o2,o3.
- binary_morphism1 (unary_morphism1_setoid1 o2 o3) (unary_morphism1_setoid1 o1 o2)
- (unary_morphism1_setoid1 o1 o3).
-#o1; #o2; #o3; @
+ unary_morphism1 (unary_morphism1_setoid1 o2 o3)
+ (unary_morphism1_setoid1 (unary_morphism1_setoid1 o1 o2) (unary_morphism1_setoid1 o1 o3)).
+#o1; #o2; #o3; napply mk_binary_morphism1
[ #f; #g; napply (comp1_unary_morphisms … f g) (*CSC: why not ∘?*)
- | #a; #a'; #b; #b'; #ea; #eb; #x; nnormalize;
- napply (.= †(eb x)); napply ea.
-nqed.
-*)
+ | #a; #a'; #b; #b'; #ea; #eb; #x; #x'; #Hx; nnormalize; /3/ ]
+nqed.
\ No newline at end of file