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

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

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