Paradoxes - curiouser.co.uk

Paradoxes
WHAT IS A PARADOX? Click HERE for a definition and an expanation of what exactly is meant by the term paradox. Missing Pound Paradox (very simple) Wallet Game Paradox Proof that 1=2 The Wise Arab Paradox Olbers' Paradox - Why is the sky dark at night? Russell's Paradox 19th Century Paradoxical Poem Legal Paradox - Protagoras Old/Young Visual Paradox Liar Paradox Word Paradox (Grelling-Nelson paradox) Curious rules for writers The Spanish Barber The Rotating Coin Paradox The Rotating Dots Wild Card Poker Paradox Catch 22 Click HERE for a curiouser.co.uk's paradoxical quotations. CLICK HERE to email this page to your friends. Other Paradoxes not currently described at curiouser.co.uk curiouse.co.uk does not purport to be a comprehensive guide to paradoxes, merely an entertaining introduction. Below is a list of paradoxes which you might be interest to research, some of which may be featured at curiouser.co.uk in due course. If you are interested to write about any of these paradoxes for curiouser.co.uk, please CONTACT me. Recommended sites for further reading about paradoxes: wikipedia and Stanford Encyclopedia of Philosophy. Abilene paradox Berry paradox: What is "The first number not nameable in under ten words"? Borel's paradox Braess' paradox Buridan's ass Burali-Forti paradox Cantor's paradox: is the set of all sets equal to or greater than its own power set? Control paradox Cosmic ray paradox Curry's paradox: "If I'm not mistaken, the world will end in a week." D'Alembert's paradox Einstein-Podolsky-Rosen paradox Epicurian Paradox: Elevator paradox Fermi paradox: If there are many other sentient species in the Universe, then where are they? Shouldn't their presence be obvious? Gabriel's Horn or Torricelli's trumpet Galileo's paradox Gibbs paradox Grandfather paradox: You travel back in time and kill your grandfather before he meets your grandmother, resulting in your never being conceived. Giffen paradox: can increasing the price of bread make poor people eat more of it? GZK paradox: high-energy cosmic rays have been observed which seem to violate the Greisen-Zatsepin-Kuzmin limit which is a consequence of special relativity Hausdorff paradox Hedonism paradox Hempel's Ravens Hilbert's paradox of the Grand Hotel Horse paradox Ideal evidence paradox: Jevon's paradox: In economics, increases in efficiency lead to even larger increases in demand. Kavka's toxin puzzle: Can one intend to drink the nondeadly toxin, if the intention is the only thing needed to get the reward? Loschmidt's paradox Lottery paradox Low birth weight paradox: low birth weight babies have a higher mortality rate, babies of smoking mothers have lower average birth weight, babies of smoking mothers have a higher mortality rate, but low birth weight babies of smoking mothers have a lower mortality rate than other low birth weight babies. Mere addition paradox: is a large population living barely tolerable lives better than a small happy population? Monty Hell problem Moon Illusion: Why does the moon appear larger at the horizon than at its zenith? Moore's paradox: "It's raining but I don't believe that it is." Mpemba paradox Newcomb's paradox: How do you play a game against an omniscient opponent? Nihilist paradox: if truth does not exist, the statement "truth does not exist" is a truth, thereby proving itself incorrect. Omnipotence paradox: Can an omnipotent being create a rock too heavy to lift? Can an irresistible force move an unmovable object? Predestination paradox: A man travels back in time and impregnates his great-great-grandmother. The result is a line of offspring and descendants, including the man's parent(s) and the man himself. Therefore, unless he makes the time-travel trip at all, he will never exist. Richard's paradox Skolem Paradox Simpson's paradox Sorites paraodox: If one keeps removing grains of sand from a heap, at what point does it cease to be a heap? St. Petersburg paradox: Can it be rational to refuse a small finite entry fee for a game with a possible infinite pay off? Twin paradox Theseus's Ship/George Washington's Axe Unexpected hanging paradox Zeno's paradoxes CLICK HERE to email this page to your friends. NB curiouser.co.uk is free to view. However, if you have enjoyed the site and would like to make a donation to ensure that it continues to remain in existence, you may do so through PayPal by clicking below. Thank you. Readers are encouraged to CONTRIBUTE to curiouser.co.uk by submitting any material they feel might be relevant.

Paradoxes

WHAT IS A PARADOX? Click HERE for a definition and an expanation of what exactly is meant by the term paradox.

Missing Pound Paradox (very simple)

Wallet Game Paradox

Proof that 1=2

The Wise Arab Paradox

Olbers' Paradox - Why is the sky dark at night?

Russell's Paradox

19th Century Paradoxical Poem

Legal Paradox - Protagoras

Old/Young Visual Paradox

Liar Paradox

Word Paradox (Grelling-Nelson paradox)

Curious rules for writers

The Spanish Barber

The Rotating Coin Paradox

The Rotating Dots

Wild Card Poker Paradox

Catch 22

Click HERE for a curiouser.co.uk's paradoxical quotations.

CLICK HERE to email this page to your friends.

Other Paradoxes not currently described at curiouser.co.uk

curiouse.co.uk does not purport to be a comprehensive guide to paradoxes, merely an entertaining introduction. Below is a list of paradoxes which you might be interest to research, some of which may be featured at curiouser.co.uk in due course. If you are interested to write about any of these paradoxes for curiouser.co.uk, please CONTACT me.

Recommended sites for further reading about paradoxes: wikipedia and Stanford Encyclopedia of Philosophy.

Abilene paradox

Berry paradox: What is "The first number not nameable in under ten words"?

Borel's paradox

Braess' paradox

Buridan's ass

Burali-Forti paradox

Cantor's paradox: is the set of all sets equal to or greater than its own power set?

Control paradox

Cosmic ray paradox

Curry's paradox: "If I'm not mistaken, the world will end in a week."

D'Alembert's paradox

Einstein-Podolsky-Rosen paradox

Epicurian Paradox:

Elevator paradox

Fermi paradox: If there are many other sentient species in the Universe, then where are they? Shouldn't their presence be obvious?

Gabriel's Horn or Torricelli's trumpet

Galileo's paradox

Gibbs paradox

Grandfather paradox: You travel back in time and kill your grandfather before he meets your grandmother, resulting in your never being conceived.

Giffen paradox: can increasing the price of bread make poor people eat more of it?

GZK paradox: high-energy cosmic rays have been observed which seem to violate the Greisen-Zatsepin-Kuzmin limit which is a consequence of special relativity

Hausdorff paradox

Hedonism paradox

Hempel's Ravens

Hilbert's paradox of the Grand Hotel

Horse paradox

Ideal evidence paradox:

Jevon's paradox: In economics, increases in efficiency lead to even larger increases in demand.

Kavka's toxin puzzle: Can one intend to drink the nondeadly toxin, if the intention is the only thing needed to get the reward?

Loschmidt's paradox

Lottery paradox

Low birth weight paradox: low birth weight babies have a higher mortality rate, babies of smoking mothers have lower average birth weight, babies of smoking mothers have a higher mortality rate, but low birth weight babies of smoking mothers have a lower mortality rate than other low birth weight babies.

Mere addition paradox: is a large population living barely tolerable lives better than a small happy population?

Monty Hell problem

Moon Illusion: Why does the moon appear larger at the horizon than at its zenith?

Moore's paradox: "It's raining but I don't believe that it is."

Mpemba paradox

Newcomb's paradox: How do you play a game against an omniscient opponent?

Nihilist paradox: if truth does not exist, the statement "truth does not exist" is a truth, thereby proving itself incorrect.

Omnipotence paradox: Can an omnipotent being create a rock too heavy to lift? Can an irresistible force move an unmovable object?

Predestination paradox: A man travels back in time and impregnates his great-great-grandmother. The result is a line of offspring and descendants, including the man's parent(s) and the man himself. Therefore, unless he makes the time-travel trip at all, he will never exist.

Richard's paradox

Skolem Paradox

Simpson's paradox

Sorites paraodox: If one keeps removing grains of sand from a heap, at what point does it cease to be a heap?

St. Petersburg paradox: Can it be rational to refuse a small finite entry fee for a game with a possible infinite pay off?

Twin paradox

Theseus's Ship/George Washington's Axe

Unexpected hanging paradox

Zeno's paradoxes

CLICK HERE to email this page to your friends.

NB curiouser.co.uk is free to view. However, if you have enjoyed the site and would like to make a donation to ensure that it continues to remain in existence, you may do so through PayPal by clicking below. Thank you.

Readers are encouraged to CONTRIBUTE to curiouser.co.uk by submitting any material they feel might be relevant.