- the act of disjoining or the state of being disjoined: a disjunction between thought and action.
- Also called disjunctive, inclusive disjunction.a compound proposition that is true if and only if at least one of a number of alternatives is true.
- Also called exclusive disjunction.a compound proposition that is true if and only if one and only one of a number of alternatives is true.
- the relation among the components of such a proposition, usually expressed by AND or V.
- Also called: disjuncture the act of disconnecting or the state of being disconnected; separation
- cytology the separation of the chromosomes of each homologous pair during the anaphase of meiosis
- the operator that forms a compound sentence from two given sentences and corresponds to the English or
- a sentence so formed. Usually written p ∨ q where p, q are the component sentences, it is true (inclusive sense) whenever either or both of the latter are true; the exclusive disjunction, for which there is no symbol, is true when either but not both disjuncts is
- the relation between such sentences
c.1400, disjunccioun, from Old French disjunction (13c.) or directly from Latin disjunctionem “separation,” noun of action from past participle stem of disjungere (see disjointed).
- The separation of homologous chromosomes during meiosis.