Mathlib Changelog
v3
Changelog
About
Github
Mathlib v3 is deprecated.
Go to Mathlib v4
Commit
2021-04-09 08:28
aa1fa0b2
View on Github →
feat(data/option/basic): option valued choice operator (
#7101
)
Estimated changes
Modified
src/data/option/basic.lean
added
theorem
option.choice_eq
added
theorem
option.choice_eq_none
added
theorem
option.choice_is_some_iff_nonempty