SimpleMulFacts Sections DiscrMathExt Doc
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RankTheoremName
2Thm*  a,b,c,d:a = b  c = d  ac = db  [mul_nat_com]
cites the following:
1Thm*  a,b:. 0ab[mul_bounds_1a]
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
SimpleMulFacts Sections DiscrMathExt Doc