intro h
case mp
i : Nat
⊢ getBit 1 i = true → getBit 1 i = true ∧ ∀ (j : Nat), j < i → getBit 1 j = false
case mp
i : Nat
h : getBit 1 i = true
⊢ getBit 1 i = true ∧ ∀ (j : Nat), j < i → getBit 1 j = false