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

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

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