WikiSysop
Created page with "Suppose there is a card with statements printed on both sides: {| class="wikitable" |'''Front:''' |The sentence on the other side of this card is True. |- |'''Back:''' |The sentence on the other side of this card is False. |} Trying to assign a truth value to either of them leads to a paradox. # If the first statement is true, then so is the second. But if the second statement is true, then the first statement is false. It follows that if the first statement is true, th..."