simp [this]
f : Bool → Bool → Bool
f_stable : f false false = false
m : Nat
hm : ¬m = 0
htf : f true false = true
this : ∀ (b : Bool), f b false = b
⊢ getBit (if true = true then m else 0) 0 = f (getBit m 0) false
no goals