(6steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: nsub inj exteq nsub bij 1 2
1. k : 
2. f : k bij k
  f  k inj k
By: BackThru: Thm*  (A bij B)  (A inj B)

Generated subgoals:

None

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

(6steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc