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Theorem symm_diff_symm_diff_self

Modification history

2022-06-26 03:02
src/order/symm_diff.lean
feat(order/symm_diff): The symmetric difference is involutive (#14959) …
Deleted symm_diff_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 symm_diff_symm_diff_selfView on Github →
2021-06-07 15:40
src/order/symm_diff.lean
feat(order/symm_diff): symmetric difference operator (#6469)
Added symm_diff_symm_diff_selfView on Github →