from util import *


@apply
def apply(given):
    x, y = given.of(Less)
    return Greater(y - x, 0)


@prove
def prove(Eq):
    x, y = Symbol(real=True, given=True)
    Eq << apply(x < y)

    Eq << Eq[-1] + x

    Eq << Eq[-1].reversed


if __name__ == '__main__':
    run()


from . import transit
# created on 2019-04-18
