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Theorem lattice.le_neg_of_le_neg

Modification history

2020-03-19 15:12
src/order/boolean_algebra.lean
refactor(*): drop `lattice` namespace (#2166) …
Deleted lattice.le_neg_of_le_negView on Github →
2017-07-23 18:29
algebra/lattice/boolean_algebra.lean
refactor(*): use 'lemma' iff statement is private
Modified lattice.le_neg_of_le_negView on Github →
2017-07-23 15:16
algebra/lattice/boolean_algebra.lean
refactor(*): import content from lean/library/data and library_dev
Added lattice.le_neg_of_le_negView on Github →