rfl
case seq.seq.refl.refl
Ss : Stmt × State
l✝ : State
S T : Stmt
s l₀ l : State
hS : (S, s) ⟹ l₀
hT : (T, l₀) ⟹ l
ihS : ∀ {r : State}, (S, s) ⟹ r → l₀ = r
ihT : ∀ {r : State}, (T, l₀) ⟹ r → l = r
hS' : (S, s) ⟹ l₀
hT' : (T, l₀) ⟹ l
⊢ l = l
no goals