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

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

State before:
x y : Pos
⊢ y.toNat ≥ x.toNat → x.toNat ≠ y.toNat → y.toNat > x.toNat
Tactic:
exact Nat.lt_of_le_of_ne
State after:
no goals