Paradoxes

The Berry Paradox and Godel's Incompleteness Theorem - Transcript of a lecture by Gregory Chaitin on how the Berry Paradox ("the smallest number that needs at least n words to specify it, where n is large") illuminates Godel's Incompleteness Theorem.

Curry's Paradox - Discussion of a semantic paradox due to Haskell B. Curry; from the Stanford Encyclopedia by J. C. Beall.

The Epimenides Paradox - An analysis of several attempted resolutions of the Epimenides Paradox (also known as the Liar Paradox), showing how they all fail.

LogicalParadoxes.info - A collection of proofs leading to absurd conclusions.

Paradox or Fallacy - A discussion on paradox, with the goal being to determine what is paradox and what is fallacy.

Paradoxes - Brain Teasers - Presents well-known paradoxes, including liar, double liar, barber, and lazy-bones paradox. Also contains sophisms, and short paradoxical sentences from life.

Paradoxes and Dilemmas - Common paradoxes and dilemmas, particularly of the social type: the Voting Paradox, Prisoner's Dilemma, Newcomb's Paradox, Unexpected Hanging, Execution Paradox, and the Self-Amendment Paradox.

Puzzles: Famous Paradoxes - This page offers over 20 fun and weird paradoxes.

Russell's Paradox - Entry in the Stanford Encyclopaedia of Philosophy by A. D. Irvine.

Some Endeavours at Synthesising a Solution to the Sorites. - An introductory survey by Shawn Raylston.

Sorites Paradox - Article in the Stanford Encyclopaedia of Philosophy, by Dominic Hyde.

The World of Paradox - Site containing some well-known paradoxes, together with a discussion of each.

Zeno's Coffeehouse - Site maintained by Ron Barnette, which regularly proposes paradoxes in common sense reasoning and invites and publishes responses to them.

Zeno's Paradox of the Tortoise - An article in the Platonic Realms.