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  2. The Hardest Logic Puzzle Ever - Wikipedia

    en.wikipedia.org/wiki/The_Hardest_Logic_Puzzle_Ever

    The Hardest Logic Puzzle Ever is a logic puzzle so called by American philosopher and logician George Boolos and published in The Harvard Review of Philosophy in 1996. [1] [2] Boolos' article includes multiple ways of solving the problem.

  3. 12 Logic Puzzles That Will Test Your Smarts - AOL

    www.aol.com/12-logic-puzzles-test-smarts...

    Like some of the hardest math puzzles and math riddles, these puzzles can get very complex. If you look for them online, you’ll find lots of examples of logic puzzles that come with grids to ...

  4. Talk:The Hardest Logic Puzzle Ever - Wikipedia

    en.wikipedia.org/wiki/Talk:The_Hardest_Logic...

    There is Boolos' puzzle, i.e. The Hardest Logic Puzzle Ever, which is inspired by (or Boolos' re-working of or Boolos' take on or Boolos' memory of) certain Smullyan puzzles. I don't know how else to convey this. It is getting silly. The Hardest Logic Puzzle Ever is not equal to some puzzle x such that x was authored by Smullyan.

  5. Monty Hall problem - Wikipedia

    en.wikipedia.org/wiki/Monty_Hall_problem

    The game host then opens one of the other doors, say 3, to reveal a goat and offers to let the player switch from door 1 to door 2. The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let's Make a Deal and named after its original host, Monty Hall.

  6. 4 Pics 1 Word Cheats- Answering Difficult Puzzles - AOL

    www.aol.com/news/2013-02-20-4-pics-1-word-cheats...

    Occasionally, we'll rattle off four to five puzzles with little effort before getting stuck for upwards of an hour, whereupon which we eventually 4 Pics 1 Word Cheats- Answering Difficult Puzzles ...

  7. Raymond Smullyan - Wikipedia

    en.wikipedia.org/wiki/Raymond_Smullyan

    The puzzle known as "the hardest logic puzzle ever" is based on these characters and themes. In his Transylvania puzzles, half of the inhabitants are insane, and believe only false things, whereas the other half are sane and believe only true things. In addition, humans always tell the truth, and vampires always lie. For example, an insane ...

  8. List of impossible puzzles - Wikipedia

    en.wikipedia.org/wiki/List_of_impossible_puzzles

    This is a list of puzzles that cannot be solved. An impossible puzzle is a puzzle that cannot be resolved, either due to lack of sufficient information, or any number of logical impossibilities. 15 Puzzle – Slide fifteen numbered tiles into numerical order. It is impossible to solve in half of the starting positions. [1]

  9. Knights and Knaves - Wikipedia

    en.wikipedia.org/wiki/Knights_and_Knaves

    A further complication is that the inhabitants may answer yes–no questions in their own language, and the visitor knows that "bal" and "da" mean "yes" and "no" but does not know which is which. These types of puzzles were a major inspiration for what has become known as "the hardest logic puzzle ever".