(35steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: nsub inj exteq nsub surj 1 1

1. k : 
2. f : k inj k
  f  k onto k


By: f  k inj k  Asserted THEN Analyze-1


Generated subgoal:

1 3. f  kk
4. Inj(kkf)
  f  k onto k

18 steps

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natural_numbermember
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(35steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc