simp [DFA.del_star]
α qs : Type
M : TotalDFA α qs
q : { x // x ∈ M.Q }
w : Word { x // x ∈ M.Z }
⊢ DFA.del_star M.toDFA (q, w) = some (del_star' M (q, w))
α qs : Type
M : TotalDFA α qs
q : { x // x ∈ M.Q }
w : Word { x // x ∈ M.Z }
⊢ DFA.del_star_curried M.toDFA w q = some (del_star' M (q, w))