simp
case h.h
α : Type
inst✝ : DecidableEq α
p q : ℕ
⊢ (∃ stop_state_list, (p = 0 ∧ stop_state_list = [1]) ∧ q ∈ stop_state_list) = (p = 0 ∧ q = 1)
case h.h
α : Type
inst✝ : DecidableEq α
p q : ℕ
⊢ (∃ stop_state_list, (p = 0 ∧ stop_state_list = [1]) ∧ q ∈ stop_state_list) ↔ p = 0 ∧ q = 1