Theorem biSup_symmDiff_biSup_le

Modification history

2024-07-23 12:07
Mathlib/Order/CompleteBooleanAlgebra.lean
refactor: Make `Frame` extend `HeytingAlgebra` (#10560) …
Deleted biSup_symmDiff_biSup_leView on Github →
2024-04-24 14:51
Mathlib/Order/CompleteBooleanAlgebra.lean
feat: add 3 lemmas linking iSup and symmDiff (#12340) …
Added biSup_symmDiff_biSup_leView on Github →