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  • Tautology (logic) - Wikipedia
    In mathematical logic, a tautology (from Ancient Greek: ταυτολογία) is a formula that is true regardless of the interpretation of its component terms, with only the logical constants having a fixed meaning
  • TAUTOLOGY Definition Meaning - Merriam-Webster
    The meaning of TAUTOLOGY is needless repetition of an idea, statement, or word How to use tautology in a sentence
  • Tautology | Meaning, Definition Examples - Scribbr
    In rhetoric, a tautology is the unnecessary repetition of an idea using different words (e g , “a free gift”) Tautologies are often considered to be a stylistic fault that should be avoided However, they can also be used effectively as a rhetorical device or figure of speech
  • Truth Tables, Tautologies, and Logical Equivalences
    There are an infinite number of tautologies and logical equivalences; I've listed a few below; a more extensive list is given at the end of this section When a tautology has the form of a biconditional, the two statements which make up the biconditional are logically equivalent
  • What Is Tautology? Definition 15+ Examples - Enlightio
    In mathematics, tautologies are a powerful tool used to prove theorems and demonstrate equivalences You can employ tautological statements to test the logic of your hypotheses and present solutions to complex problems
  • 1. 6: Tautologies and contradictions - Mathematics LibreTexts
    A tautology is an assertion of Propositional Logic that is true in all situations; that is, it is true for all possible values of its variables A contradiction is an assertion of Propositional Logic that is false in all situations; that is, it is false for all possible values of its variables Example 1 6 2
  • Tautology – Definition and Examples - The Story of Mathematics
    A tautology is a logical statement which is true under any and all circumstances Tautologies are verified with truth tables
  • 2. 10: Tautologies, Contradictions, and Contingent Statements
    Construct a truth table to determine whether the following statements are tautologies, contradictions or contingent statements 1 A ⊃ (A ⋅ B) 2 (A ⋅ B) ⊃ (~A ⊃ ~B)
  • Tautology | The Everyday Philosophers Guide
    Recognise and understand common tautologies, such as "it is what it is" or "either it will rain, or it won't " Be mindful of using tautologies in communication, as they can reduce the clarity and informativeness of your speech or writing
  • 10 Tautology Examples (2025) - Helpful Professor
    Tautology is a special or unintentional use of the same root words in a phrase or sentence or an unreasonable repetition of the same word in a statement Tautology, in its most basic definition, is a useless repetition It’s when a phrase or statement says the same thing twice using different words





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