By: |
Thm* f:(AAA), u:A. Thm* is_commutative_sep(A; f) Thm* Thm* is_ident(A; f; u) Thm* Thm* is_assoc_sep(A; f) Thm* Thm* (a,b:, e,g:({a..b}A). Thm* (f((Iter(f;u) i:{a..b}. e(i)),Iter(f;u) i:{a..b}. g(i)) Thm* (= Thm* ((Iter(f;u) i:{a..b}. f(e(i),g(i))) Thm* ( A) Using:[ | x,y. x+y | 0] |
1 |
| 1 step |
2 |
| 1 step |
3 |
| 1 step |
4 |
1. (x,y. x+y)(( i:{a..b}. e(i)), i:{a..b}. g(i)) 1. = 1. ( i:{a..b}. (x,y. x+y)(e(i),g(i))) a,b:, f,g:({a..b}). ( i:{a..b}. f(i))+( i:{a..b}. g(i)) = ( i:{a..b}. f(i)+g(i)) | 1 step |
About: