Paradoxes that reference themselves, creating logical impossibilities like "This sentence is false" where truth implies falsehood and vice versa. Related to liar paradox and Cretan contradiction, demonstrating fundamental limitations of certain logical systems and language's capacity for creating unresolvable contradictions. Bertrand Russell explored mathematical implications in set theory with Russell's paradox. Poets exploit self-reference paradoxes to question certainty, explore contradictory aspects of identity or existence, or demonstrate how language can trap itself in logical tangles that nonetheless feel meaningful or illuminating about human experience.

Paradoxes that reference themselves, creating logical impossibilities. "This sentence is false" is the classic example. Related to liar paradox and Cretan contradiction. Demonstrates limits of language and logic. Poets use these to question certainty, explore identity paradoxes, or challenge reality assumptions.