Mathlib Changelog
v3
Changelog
About
Github
Mathlib v3 is deprecated.
Go to Mathlib v4
Theorem
finsupp.erase_sub
Modification history
2021-09-17 20:09
src/data/finsupp/basic.lean
chore(data/finsupp/basic): lemmas about sub and neg on filter and erase (#9228)
Added
finsupp.erase_sub
View on Github →