DiscreteMath Sections DiscrMathExt Doc
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TheoremName
Thm*  (0A) ~ 1[card_void_dom_fun_unit]
cites the following:
Thm*  (A ~ 1)  (!A)[card1_iff_inhabited_uniquely]
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
DiscreteMath Sections DiscrMathExt Doc