Mathlib Changelog
v3
Changelog
About
Github
Mathlib v3 is deprecated.
Go to Mathlib v4
Theorem
or_congr_left'
Modification history
2022-02-16 19:16
src/logic/basic.lean
feat(logic/basic): Better congruence lemmas for `or`, `or_or_or_comm` (#12004) …
Added
or_congr_left'
View on Github →