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Theorem not_or_not_of_not_and'

Modification history

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