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  2. Paradox - Wikipedia

    en.wikipedia.org/wiki/Paradox

    A paradox is a logically self-contradictory statement or a statement that runs contrary to one's expectation. [1] [2] It is a statement that, despite apparently valid reasoning from true or apparently true premises, leads to a seemingly self-contradictory or a logically unacceptable conclusion.

  3. List of paradoxes - Wikipedia

    en.wikipedia.org/wiki/List_of_paradoxes

    Paradox of value, also known as diamond-water paradox: Water is more useful than diamonds, yet is a lot cheaper. Productivity paradox: (also known as Solow computer paradox): Worker productivity may go down, despite technological improvements.

  4. Temporal paradox - Wikipedia

    en.wikipedia.org/wiki/Temporal_paradox

    A bootstrap paradox, also known as an information loop, an information paradox, [6] an ontological paradox, [7] or a "predestination paradox" is a paradox of time travel that occurs when any event, such as an action, information, an object, or a person, ultimately causes itself, as a consequence of either retrocausality or time travel. [8] [9 ...

  5. Zeno's paradoxes - Wikipedia

    en.wikipedia.org/wiki/Zeno's_paradoxes

    [1] [2] Diogenes Laërtius, citing Favorinus, says that Zeno's teacher Parmenides was the first to introduce the paradox of Achilles and the tortoise. But in a later passage, Laërtius attributes the origin of the paradox to Zeno, explaining that Favorinus disagrees. [3] Modern academics attribute the paradox to Zeno. [1] [2]

  6. Paradox (database) - Wikipedia

    en.wikipedia.org/wiki/Paradox_(database)

    Paradox [1] is a relational database management system currently published by Corel Corporation. It was originally released for MS-DOS by Ansa Software, ...

  7. Russell's paradox - Wikipedia

    en.wikipedia.org/wiki/Russell's_paradox

    In mathematical logic, Russell's paradox (also known as Russell's antinomy) is a set-theoretic paradox published by the British philosopher and mathematician, Bertrand Russell, in 1901. [ 1 ] [ 2 ] Russell's paradox shows that every set theory that contains an unrestricted comprehension principle leads to contradictions. [ 3 ]

  8. Irresistible force paradox - Wikipedia

    en.wikipedia.org/wiki/Irresistible_force_paradox

    The irresistible force paradox (also unstoppable force paradox or shield and spear paradox), is a classic paradox formulated as "What happens when an unstoppable force meets an immovable object?" The immovable object and the unstoppable force are both implicitly assumed to be indestructible, or else the question would have a trivial resolution.

  9. Newcomb's paradox - Wikipedia

    en.wikipedia.org/wiki/Newcomb's_paradox

    Newcomb's paradox was created by William Newcomb of the University of California's Lawrence Livermore Laboratory. However, it was first analyzed in a philosophy paper by Robert Nozick in 1969 [ 1 ] and appeared in the March 1973 issue of Scientific American , in Martin Gardner 's " Mathematical Games ". [ 2 ]