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Equivalence vs Correspondence - What's the difference?

equivalence | correspondence |

As nouns the difference between equivalence and correspondence

is that equivalence is equivalence while correspondence is (uncountable) friendly discussion.

equivalence

Noun

(en noun)
  • (uncountable) The condition of being equivalent or essentially equal.
  • (countable, mathematics) An equivalence relation;
  • (uncountable, logic) The relationship between two propositions that are either both true or both false.
  • (chemistry) The quantity of the combining power of an atom, expressed in hydrogen units; the number of hydrogen atoms can combine with, or be exchanged for; valency.
  • a Boolean operation that is TRUE when both input variables are TRUE but otherwise FALSE; the XNOR function.
  • A number in intersection theory. A positive-dimensional variety sometimes behaves formally as if it were a finite number of points; this number is its equivalence.
  • Verb

    (equivalenc)
  • To be equivalent or equal to; to counterbalance.
  • (Sir Thomas Browne)

    correspondence

    Noun

  • (uncountable) Friendly discussion.
  • (uncountable) Reciprocal exchange of civilities, especially conversation between persons by means of letters.
  • (countable) An agreement of situations or objects with an expected outcome.
  • (uncountable) Newspaper or news stories, generally.
  • (countable) A postal or other written communication.
  • (uncountable) Postal or other written communications.
  • (set theory, countable) A relation.
  • See also

    * correspondent