diff --git a/library/init/nat.lean b/library/init/nat.lean index e2c694cca..621df7f7d 100644 --- a/library/init/nat.lean +++ b/library/init/nat.lean @@ -21,6 +21,7 @@ namespace nat definition le [reducible] (a b : nat) : Prop := a < succ b + notation a <= b := le a b notation a ≤ b := le a b definition pred (a : nat) : nat := @@ -251,6 +252,7 @@ namespace nat definition decidable_ge [instance] : decidable_rel ge := _ + notation a >= b := ge a b notation a ≥ b := ge a b -- add is defined in init.num