Category: Paradoxes
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Double Liar Paradox (Jourdain’s paradox)
The following is written on opposite sides of a card: Front side:THE SENTENCE ON THE OTHER SIDE OF THIS CARD IS FALSE. Back side:THE SENTENCE ON THE OTHER SIDE OF THIS CARD IS TRUE.
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Liar Paradox (Epimenides Paradox)
If someone says “I always lie”, are they telling the truth? Or are they lying?