(9steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: card nat vs nat tuples all 1 4

  (k:{k:0 = k   }k) ~ (k:k)

By: OOCifExteq THEN Analyze


Generated subgoal:

1 1. x : k:{k:0 = k   }k
  x  k:k

1 step

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

(9steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc