The Epimenides paradox reveals a problem with self-reference in logic.
It is named after the Cretan philosopher Epimenides of Knossos (alive circa 600 BC) who is credited with the original statement.
A typical description of the problem is given in the book Gödel, Escher, Bach, by Douglas Hofstadter
- Epimenides was a Cretan who made one immortal statement: "All Cretans are liars."
A paradox of self-reference arises when one considers whether it is possible for Epimenides to have spoken the truth.
Read more about Epimenides Paradox: Logical Paradox, Origin of The Phrase, Emergence As A Logical Contradiction
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“When a paradox is widely believed, it is no longer recognized as a paradox.”
—Mason Cooley (b. 1927)