WhoCites Definitions well fnd Sections StandardLIB Doc
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Who Cites rev implies?
rev_impliesDef P  Q == Q  P
Thm* A,B:Prop. (A  B Prop

Syntax:P  Q has structure: rev_implies(PQ)

About:
memberpropimpliesall!abstraction
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WhoCites Definitions well fnd Sections StandardLIB Doc