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

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

State before:
x y z : Pos
⊢ y.toNat > x.toNat → z.toNat > y.toNat → z.toNat > x.toNat
Tactic:
exact Nat.lt_trans
State after:
no goals