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

State before:
x y : Pos
⊢ x < y ∨ x ≥ y
Tactic:
by_toNat
State after:
x y : Pos
⊢ y.toNat > x.toNat ∨ x.toNat ≥ y.toNat

State before:
x y : Pos
⊢ y.toNat > x.toNat ∨ x.toNat ≥ y.toNat
Tactic:
exact Nat.lt_or_ge ..
State after:
no goals