Theorem: Pos.succ_le_of_lt (Extra/Pos/Lemmas.lean)

State before:
x y : Pos
⊢ x < y → x + 1 ≤ y
Tactic:
by_toNat
State after:
x y : Pos
⊢ y.toNat > x.toNat → y.toNat ≥ x.toNat + 1

State before:
x y : Pos
⊢ y.toNat > x.toNat → y.toNat ≥ x.toNat + 1
Tactic:
exact Nat.succ_le_of_lt
State after:
no goals