English

Noun

disjunction ‎(plural disjunctions)

1. act of disjoining; disunion, separation
2. state of being disjoined
3. (logic) The proposition resulting from the combination of two or more propositions using the or operator.
4. (mathematics) a logical operator that results in true when some of its operands are true.
5. (biology) During meiosis, the separation of chromosomes (homologous in meiosis I, and sister chromatids in meiosis II).

Coordinate terms

• (in mathematics): conjunction

Hypernyms

• (in mathematics): logical connective

Hyponyms

• (in logic): inclusive disjunction
• (in logic): exclusive disjunction

Meronyms

• (in logic): disjunct

Derived terms

• disjunctive normal form

Related terms

• disjoin
• disjoint
• disjunct
• disjunctive

Translations

See also

• conjunction

References

• "Disjunction" in the Stanford Encyclopedia of Philosophy
• "Disjunction" in Wolfram MathWorld
• disjunction at OneLook Dictionary Search