(7steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: compose iter injection 1 1

1. A : Type
2. f : AA
3. Inj(AAf)
  Inj(AAf{0})


By: Rewrite by Thm*  f:(AA). f{0} = Id


Generated subgoal:

1   Inj(AA; Id)
1 step

About:
natural_numberfunctionuniverseequalall
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(7steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc