(12steps total) PrintForm Definitions Lemmas fun 1 Sections StandardLIB Doc
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At: bij imp exists inv 1 1 1 1 1 2
1. A : Type
2. B : Type
3. f : AB
4. a1,a2:A. f(a1) = f(a2)  a1 = a2
5. g : BA
6. b:B. f(g(b)) = b
  f o g = Id
By: Unfolds [`compose`;`identity`] 0

Generated subgoal:

1   (x.f(g(x))) = Id
2 steps

About:
lambdaapplyfunctionuniverseequalimpliesall
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(12steps total) PrintForm Definitions Lemmas fun 1 Sections StandardLIB Doc