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

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

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