Negations - Logic

Negations

Lessons

Notes:
The negation of a statement is the opposite of a statement. We denote it with either "not" or the symbol ~. The negation gives the opposite of the truth value. For example,
pp: A square is a rectangle
~ pp: A square is not a rectangle pp is true, so ~pp is false.
    • a)
      Definition of Negations and Examples
  • 1.
    Negation of the Statement

    Write the negation of each statement:

  • 2.
    Truth Value of a Negation

    Write the negation of each statement, and determine the truth value:

  • 4.
    Double Negation

    Determine the truth value of the statement. Negate it twice, write it in a complete sentence, and determine the new truth value:

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Negations

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