negations

/N AH0 G EY1 SH AH0 N Z/
noun
  1. 1

    The act of negating something.

  2. 2

    A denial or contradiction.

  3. 3

    A proposition which is the contradictory of another proposition and which can be obtained from that other proposition by the appropriately placed addition/insertion of the word "not". (Or, in symbolic logic, by prepending that proposition with the symbol for the logical operator "not".)

  4. 4

    The logical operation which obtains such (negated) propositions.

Source: https://en.wiktionary.org/wiki/negation, https://en.wiktionary.org/wiki/negations