DiscreteMath Sections DiscrMathExt Doc
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RankTheoremName
4Thm*  (() ~ )[not_nat_occ_natfuns]
cites the following:
3Thm*  (f:(AB). Bij(ABf))  (B ~ A)[bij_iff_1_1_corr_version2a]
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
DiscreteMath Sections DiscrMathExt Doc