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Theorem or_not

Modification history

2021-05-15 21:20
src/logic/basic.lean
feat(data/logic/basic): `em.swap` and `eq_or_ne` (#7561)
Modified or_notView on Github →
2020-08-17 13:59
src/logic/basic.lean
refactor(logic/basic): classical -> root, root -> decidable (#3812) …
Added or_notView on Github →