lemma
proved
term proof
restrict_enc_false
show as:
view Lean formalization →
formal statement (Lean)
23@[simp] lemma restrict_enc_false (R : Fin n → Bool) (M : Finset (Fin n)) :
24 restrict (n:=n) (enc false R) M = restrict (n:=n) R M := by
proof body
Term-mode proof.
25 funext i; simp [restrict, enc]
26