simp
case final
α qs : Type
inst✝³ : DecidableEq α
inst✝² : DecidableEq qs
inst✝¹ : DecidableEq α
inst✝ : DecidableEq qs
M : NFA α qs
a✝¹ : { x // x ∈ (toNFA (fromNFA M)).Q }
a✝ : Word { x // x ∈ (toNFA (fromNFA M)).Z }
self✝ : { x // x ∈ (toNFA (fromNFA M)).Q }
h' : ↑a✝¹ ⊆ ↑self✝
h✝ : a✝ = ε
h : a✝¹ ∈ Finset.attach Finset.univ ∧ ∃ q ∈ ↑a✝¹, q ∈ M.F
⊢ id (self✝ ∈ Finset.attach Finset.univ ∧ ∃ q ∈ ↑self✝, q ∈ M.F)
case final
α qs : Type
inst✝³ : DecidableEq α
inst✝² : DecidableEq qs
inst✝¹ : DecidableEq α
inst✝ : DecidableEq qs
M : NFA α qs
a✝¹ : { x // x ∈ (toNFA (fromNFA M)).Q }
a✝ : Word { x // x ∈ (toNFA (fromNFA M)).Z }
self✝ : { x // x ∈ (toNFA (fromNFA M)).Q }
h' : ↑a✝¹ ⊆ ↑self✝
h✝ : a✝ = ε
h : a✝¹ ∈ Finset.attach Finset.univ ∧ ∃ q ∈ ↑a✝¹, q ∈ M.F
⊢ self✝ ∈ Finset.attach Finset.univ ∧
    ∃ a, ∃ (b : a ∈ M.Q), { val := a, property := b } ∈ ↑self✝ ∧ { val := a, property := b } ∈ M.F