discrete 2.6

boolean status = false

if (other.isZero && this.hasMinus)
    status = true
else
    status = false

if ((!status) && ((this.hasMinus && !other.hasMinus) || (this.isZero && !other.isZero)))
    status = true
else
    Z tempNum = new Z(this.wholeNumber - other.wholeNumber);

    if (tempNum.hasMinus || tempNum.isZero)
        status = true;
    else
        status = false;

}

return status