Theorem: IntuitionisticPropositionalLogic.Provable.mp (GlimpseOfLean/Exercises/Topics/IntuitionisticPropositionalLogic.lean)

State before:
H : Type ?u.21830
inst✝ : HeytingAlgebra H
v : Variable → H
A B : Formula
Γ Δ : Set Formula
h1 : Provable (A ⇒ B)
h2 : Γ ⊢ A
⊢ Γ ⊢ B
Tactic:
sorry
State after:
no goals