12. Formal Logic I
Now the ancient logicians had already noticed that this is true for all cases, except for the case in which a Cretan himself says it. In this case, the conclusion is certainly false. For if a Cretan says, “All Cretans lie, therefore I am a liar,” it would not be true that Cretans are liars, and so he would be telling the truth; and so on.
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