(rw [Prod.mk.injEq] at h; rw [Prod.mk.injEq] at h; rw [Prod.mk.injEq] at h)
p q r : ℤ
h : ((0, 0, r + r + 1), Q.e) = ((0, 0, 0), Q.e)
fst snd : Fin 2
⊢ ((p, q, r), Q.c) = ((0, 0, 0), Q.e)
p q r : ℤ
h : (0 = 0 ∧ 0 = 0 ∧ r + r + 1 = 0) ∧ Q.e = Q.e
fst snd : Fin 2
⊢ ((p, q, r), Q.c) = ((0, 0, 0), Q.e)