feat: grind_pattern mod_eq_of_lt #11584

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open

pirapira wants to merge 12 commits into leanprover:master from pirapira:grind_mod_eq_of_lt

+9 −0

src/Init/Data/Nat/Div/Basic.lean

-Original file line number
+Diff line change
@@ Expand Up @@
         if_neg h'
       (mod_eq a b).symm ▸ this
+    grind_pattern mod_eq_of_lt => a % b where
+      not_value b
+      guard a < b
     @[simp] theorem one_mod_eq_zero_iff {n : Nat} : 1 % n = 0 ↔ n = 1 := by
       match n with
       | 0 => simp
@@ Expand Down @@