norm_num
K : Type u
inst✝¹ : Field K
inst✝ : ECTate.PerfectRing K
e : Model K
h : discr e = 0
hc4 : c4 e = 0
hc6 : c6 e = 0
x✝ : ℕ
heq✝ : ringChar K = 3
hchar : ringChar K = 3
hcharne : ringChar K ≠ 0
hchar' : ↑(ringChar K) = 3
hchar'' : 3 = 0
hb2 : e.a1 * e.a1 + 4 * e.a2 = 0
hb4 : e.a1 * e.a3 + 2 * e.a4 = 0
⊢ 2 = -1 + 3
no goals