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  2. The Keys to the White House - Wikipedia

    en.wikipedia.org/wiki/The_Keys_to_the_White_House

    The system consists of 13 true/false statements pertaining to circumstances surrounding a presidential election, with an answer of "true" always favoring the incumbent party. If five or fewer keys are false, this indicates political stability and the incumbent party is predicted to win the election.

  3. 105 True or False Questions—Fun Facts To Keep You ... - AOL

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

    Answer: True – the key word is "may," but there are studies that support this. 43. Romaine is the best-known lettuce in the U.S. Answer: False – iceberg lettuce is the most well-known in the U ...

  4. Logical reasoning - Wikipedia

    en.wikipedia.org/wiki/Logical_reasoning

    The premises and the conclusion are propositions, i.e. true or false claims about what is the case. Together, they form an argument. Together, they form an argument. Logical reasoning is norm-governed in the sense that it aims to formulate correct arguments that any rational person would find convincing.

  5. The Hardest Logic Puzzle Ever - Wikipedia

    en.wikipedia.org/wiki/The_Hardest_Logic_Puzzle_Ever

    Three gods A, B, and C are called, in no particular order, True, False, and Random. True always speaks truly, False always speaks falsely, but whether Random speaks truly or falsely is a completely random matter. Your task is to determine the identities of A, B, and C by asking three yes–no questions; each question must be put to exactly one god.

  6. Multiple choice - Wikipedia

    en.wikipedia.org/wiki/Multiple_choice

    The options are the possible answers that the examinee can choose from, with the correct answer called the key and the incorrect answers called distractors. [4] Only one answer may be keyed as correct. This contrasts with multiple response items in which more than one answer may be keyed as correct.

  7. Logic - Wikipedia

    en.wikipedia.org/wiki/Logic

    A key issue in metalogic concerns the relation between syntax and semantics. The syntactic rules of a formal system determine how to deduce conclusions from premises, i.e. how to formulate proofs. The semantics of a formal system governs which sentences are true and which ones are false.

  8. Boolean data type - Wikipedia

    en.wikipedia.org/wiki/Boolean_data_type

    The bool type is a byte-sized type that can only hold the value true or false. The only operators that can accept operands of type bool are: &, |, ^, &=, |=, ^=, !, &&, || and ?:. A bool value can be implicitly converted to any integral type, with false becoming 0 and true becoming 1. The numeric literals 0 and 1 can be implicitly converted to ...

  9. List of logic symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_logic_symbols

    is true only if both A and B are false, or both A and B are true. Whether a symbol means a material biconditional or a logical equivalence , depends on the author’s style. x + 5 = y + 2 ⇔ x + 3 = y {\displaystyle x+5=y+2\Leftrightarrow x+3=y}