simpa[chainSet] using h
L : Language
inst✝³ : (k : ℕ) → DecidableEq (L.Func k)
inst✝² : (k : ℕ) → DecidableEq (L.Rel k)
inst✝¹ : (k : ℕ) → Encodable (L.Func k)
inst✝ : (k : ℕ) → Encodable (L.Rel k)
T : Theory L
Γ : Sequent L
nwf : ¬WellFounded (SearchTree.Lt T Γ)
p : SyntacticSemiformula L 1
h : ∃' p ∈ ⛓️
t : Semiterm L ℕ 0
⊢ ∃ s, ∃' p ∈ ⛓️[s]
no goals