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Disjunction

**SEMANTICS: ** the combination of two sentences with *or*. In
**propositional logic**, the disjunction of two formulas phi and psi, written phi v psi, is true if phi is true or psi is true or both, as is shown in the truth-table (i):

(i) phi psi phi v psi 1 1 1 1 0 1 0 1 1 0 0 0This version of disjunction is called inclusive, because it allows the propositions phi and psi both to be true. Natural language

LIT. | Gamut, L.T.F. (1991) |