Theorem iSup_symmDiff_iSup_le

Modification history

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