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  2. 105 True or False Questions—Fun Facts To Keep You ... - AOL

    www.aol.com/lifestyle/105-true-false-questions...

    True or False Questions About Disney. 86. Cars was Pixar’s first movie. Answer: False – it was Toy Story. 87. Disney’s first full-color animated film was Snow White and the Seven Dwarfs.

  3. 175 'Truth or Drink' Questions To Ask for a Fun and ... - AOL

    www.aol.com/lifestyle/175-truth-drink-questions...

    Have a list of questions prepared. You could even write some on strips of paper and when it's time for a question to be asked they can be picked at random. ... 105 True or False Questions—Fun ...

  4. Boolean algebra - Wikipedia

    en.wikipedia.org/wiki/Boolean_algebra

    If x is true, then the result of expression x → y is taken to be that of y (e.g. if x is true and y is false, then x → y is also false). But if x is false, then the value of y can be ignored; however, the operation must return some Boolean value and there are only two choices.

  5. If and only if - Wikipedia

    en.wikipedia.org/wiki/If_and_only_if

    For example, P if and only if Q means that P is true whenever Q is true, and the only case in which P is true is if Q is also true, whereas in the case of P if Q, there could be other scenarios where P is true and Q is false. In writing, phrases commonly used as alternatives to P "if and only if" Q include: Q is necessary and sufficient for P ...

  6. Proof by contradiction - Wikipedia

    en.wikipedia.org/wiki/Proof_by_contradiction

    It posits that a proposition and its negation cannot both be true, or equivalently, that a proposition cannot be both true and false. Formally the law of non-contradiction is written as ¬(P ∧ ¬P) and read as "it is not the case that a proposition is both true and false". The law of non-contradiction neither follows nor is implied by the ...

  7. Suggestive question - Wikipedia

    en.wikipedia.org/wiki/Suggestive_question

    A suggestive question is a question that implies that a certain answer should be given in response, [1] [2] or falsely presents a presupposition in the question as accepted fact. [ 3 ] [ 4 ] Such a question distorts the memory thereby tricking the person into answering in a specific way that might or might not be true or consistent with their ...

  8. Statement (logic) - Wikipedia

    en.wikipedia.org/wiki/Statement_(logic)

    a meaningful declarative sentence that is true or false, [citation needed] or; a proposition. Which is the assertion that is made by (i.e., the meaning of) a true or false declarative sentence. [1] [2] In the latter case, a (declarative) sentence is just one way of expressing an underlying statement.

  9. Three-valued logic - Wikipedia

    en.wikipedia.org/wiki/Three-valued_logic

    For example, because true OR true equals true, and true OR false also equals true, then true OR unknown equals true as well. In this example, because either bivalent state could be underlying the unknown state, and either state also yields the same result, true results in all three cases.