Truth-function and Affirmation

noun

• A statement asserting the existence or the truth of something.
  • synonyms: avowal, avouchment
• The act of affirming or asserting or stating something.
  • synonyms: assertion, statement
• Religion) a solemn declaration that serves the same purpose as an oath (if an oath is objectionable to the person on religious or ethical grounds. ()
• A judgment by a higher court that the judgment of a lower court was correct and should stand. .

• (n.) Confirmation of anything established; ratification; as, the affirmation of a law.
• (n.) That which is asserted; an assertion; a positive statement; an averment; as, an affirmation, by the vender, of title to property sold or of its quality.
• (n.) The act of affirming or asserting as true; assertion; -- opposed to negation or denial.
• (n.) A solemn declaration made under the penalties of perjury, by persons who conscientiously decline taking an oath, which declaration is in law equivalent to an oath.

Instead of a sworn oath, a solemn and formal declaration regarding the truth of a statement of facts. Often used when a person's religious convictions preclude swearing an oath.