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Theorem sdiff_symm_diff_self

Modification history

2022-09-25 08:17
src/order/symm_diff.lean
feat(order/symm_diff): Heyting bi-implication (#16544) …
Deleted sdiff_symm_diff_selfView on Github →
2022-04-07 14:25
src/order/symm_diff.lean
chore(order/symm_diff): Change the symmetric difference notation (#13217) …
Modified sdiff_symm_diff_selfView on Github →
2021-06-07 15:40
src/order/symm_diff.lean
feat(order/symm_diff): symmetric difference operator (#6469)
Added sdiff_symm_diff_selfView on Github →