different between rehearsal vs tautology

English

Etymology

rehearse +? -al

Pronunciation

• IPA^(key): /???h??(?)s?l/

  Rhymes: -??(r)s?l

Noun

rehearsal (countable and uncountable, plural rehearsals)

1. The practicing of something which is to be performed before an audience, usually to test or improve the interaction between several participating people, or to allow technical adjustments with respect to staging to be done.

Translations

English

Etymology

From Late Latin tautologia, from Ancient Greek ?????????? (tautología) from ?????? (tautós, “the same”) + ????? (lógos, “explanation”), analyzed as tauto- +? -logy.

Pronunciation

• (UK) IPA^(key): /t??t?l.?.d??i/
• (General American) IPA^(key): /t??t?l.?.d??i/
• Rhymes: -?l?d?i

Noun

tautology (countable and uncountable, plural tautologies)

1. (uncountable) Redundant use of words, a pleonasm, an unnecessary and tedious repetition.

   It is tautology to say, "Forward Planning".

2. (countable) An expression that features tautology.

   The expression "raze to the ground" is a tautology, since the word "raze" includes the notion "to the ground".
3. (countable, logic, propositional logic) A statement that is true for all truth values of its propositional variables.
4. (countable, logic, first-order logic) A statement that is true for all truth values of its Boolean atoms.

Antonyms

• (linguistics: expression): contradiction in terms
• (in logic): contradiction
• (literary): oxymoron

Coordinate terms

• (in logic): contingency, contradiction

Derived terms

Translations

See also

• pleonasm
• redundancy
• Tautology on Wikipedia.Wikipedia