intro h
case mpr
B : State → Prop
S T : Stmt
s t : State
⊢ B s ∧ (S, s) ⟹ t ∨ ¬B s ∧ (T, s) ⟹ t → (Stmt.ifThenElse B S T, s) ⟹ t
case mpr
B : State → Prop
S T : Stmt
s t : State
h : B s ∧ (S, s) ⟹ t ∨ ¬B s ∧ (T, s) ⟹ t
⊢ (Stmt.ifThenElse B S T, s) ⟹ t