disjunction: Meaning and Definition of

dis•junc•tion

1. the act of disjoining or the state of being disjoined: a disjunction between thought and action.
1. Also calleddisjunctive,inclusive disjunction.a compound proposition that is true if and only if at least one of a number of alternatives is true.
2. Also calledexclusive disjunction.a compound proposition that is true if and only if one and only one of a number of alternatives is true.
3. the relation among the components of such a proposition, usually expressed by AND or V.