logic

log-ic · noun

imported

Definitions

noun

  1. 1.

    The science of reasoning and correct thinking; the study of valid inference.

  2. 2.

    A particular way of thinking or reasoning, especially one that is sound.

  3. 3.

    The quality of being justifiable by reason.

  4. 4.

    (computing) The systematic arrangement of operations in a computer program.

Phrases & expressions

  • •
    fuzzy logic — a form of logic that handles approximate rather than fixed values
  • •
    defy logic — to be impossible to understand or explain rationally
  • •
    by that logic — following that reasoning

Related words

Antonyms: illogic, irrationality
See also: argument, rational, reason
Synonyms: rationale, reasoning, sense

Etymology

From Latin logica, from Greek logike (tekhne) meaning "(art) of reason," from logos ("word, reason"). The word entered English in the 14th century.