[{"word":"tautologies","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Redundant use of words, a pleonasm, an unnecessary and tedious repetition.","synonyms":[],"antonyms":[],"example":"It is tautology to say, \"Forward Planning\"."},{"definition":"An expression that features tautology.","synonyms":[],"antonyms":[]},{"definition":"In propositional logic: a statement that is true for all truth values of its propositional variables. In first-order logic: a statement that is true for all truth values of its Boolean atoms.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":["contradiction","contradiction in terms","oxymoron"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/tautologies","https://en.wiktionary.org/wiki/tautology"]}]