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Theorem not_and_not_of_not_or

Modification history

2017-09-03 20:55
logic/basic.lean
refactor(logic/basic): refactor logic theorems
Deleted not_and_not_of_not_orView on Github →
2017-07-23 15:16
logic/basic.lean
refactor(*): import content from lean/library/data and library_dev
Added not_and_not_of_not_orView on Github →