let or_op = ((n: nat)): nat => Bitwise.or(n, 4n);

let and_op = ((n: nat)): nat => Bitwise.and(n, 7n);

let xor_op = ((n: nat)): nat => Bitwise.xor(n, 7n);

let lsl_op = ((n: nat)): nat => Bitwise.shift_left(n, 7n);

let lsr_op = ((n: nat)): nat => Bitwise.shift_right(n, 7n);