contradiction
case e_a.hf
L✝ : Language
L L' : Language
L₁ : Language
L₂ : Language
L₃ : Language
ξ ξ' : Type v
ξ₁ : Type v₁
ξ₂ : Type v₂
ξ₃ : Type v₃
n n₁ n₂ n₃ : ℕ
ω : Rew L ξ₁ n₁ ξ₂ n₂
k : ℕ
o : Semiterm.Operator L k
v : Fin k → Semiterm L ξ₁ n₁
x✝ : Empty
⊢ ω ((substs v) (emb &x✝)) = (substs fun i => ω (v i)) (emb &x✝)
no goals