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

State before:
x : Pos
⊢ x ^ 0 = 1
Tactic:
by_toNat
State after:
x : Pos
⊢ x.toNat ^ 0 = 1

State before:
x : Pos
⊢ x.toNat ^ 0 = 1
Tactic:
exact Nat.pow_zero _
State after:
no goals