(7steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: card nat vs nat tuple 2 2

1. k : 
2. 1<k
3. ((k-1)) ~ 
  () ~ 


By: Thm*  () ~   Asserted


Generated subgoals:

None

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

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