Inclusive disjunction

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Venn diagram of
Venn diagram of

Inclusive disjunction (also called or) is a logic operation. It normally takes two truth values as inputs and returns one truth value as output. It is false when both inputs are false, but is true otherwise. It is written with the symbol .[1]

In general, given two propositions and , is true if is true, or if is true, or if both and are true.[2]

This is different from the exclusive disjunction, which asserts "either x or y, but not both".[3]

Related pages[change | change source]

References[change | change source]

  1. "Comprehensive List of Logic Symbols". Math Vault. 2020-04-06. Retrieved 2020-09-03.
  2. Aloni, Maria (2016). Zalta, Edward N. (ed.). The Stanford Encyclopedia of Philosophy (Winter 2016 ed.). Metaphysics Research Lab, Stanford University.
  3. "Disjunction | logic". Encyclopedia Britannica. Retrieved 2020-09-03.