mathlib4
mathlib4 copied to clipboard
feat: substs tactic
trafficstars
Added the substs tactic, which just applies subst to multiple hypotheses at once.
This is my first PR to mathlib; let me know what needs to change!
you need to add import Mathlib.Tactic.Substs to Mathlib.lean
bors r+
bors r+
Thanks!
Please remove the "awaiting-author" label in the future when you've applied the changes from code review.