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Theorem not_imp_iff_not_imp

Modification history

2017-09-03 20:55

logic/basic.lean

refactor(logic/basic): refactor logic theorems

Deleted not_imp_iff_not_imp View on Github →

2017-07-23 18:29

logic/basic.lean

refactor(*): use 'lemma' iff statement is private

Modified not_imp_iff_not_imp View on Github →

2017-07-23 15:16

logic/basic.lean

refactor(*): import content from lean/library/data and library_dev

Added not_imp_iff_not_imp View on Github →