case a.h.var => simp [algebraHom, algebraHomImpl, h _]
Δ : RankedAlphabet
H : Type
target : Algebra Δ
f : { a // Vars Δ H a } → target.carrier
a✝ : target ∈ Set.univ
hom : Hom (Term.algebra Δ H) target
h : ∀ (c : { a // Vars Δ H a }), f c = Hom.hom hom c.val
h✝ : H
⊢ Hom.hom hom (var h✝) = Hom.hom (Term.algebraHom target f) (var h✝)
no goals