disjunction

English

Etymology

(deprecated template usage) From (deprecated template usage) [etyl] Old French disjunction, from (deprecated template usage) [etyl] Latin disjunctio

Pronunciation

• IPA^(key): /dɪsˈdʒʌŋk(t)ʃən/, /dɪsˈdʒʊŋk(t)ʃən/

  Rhymes: -ʌŋkʃən

Noun

disjunction (countable and uncountable, plural disjunctions)

1. The act of disjoining; disunion, separation.
2. The state of being disjoined.
   • 2017 September 7, Ferdinand Mount, “Umbrageousness”, in London Review of Books‎^[1]:

     The disjunction between the despotism the British had been practising in India and the liberal, secular, democratic trends of their domestic politics was too embarrassing to endure indefinitely.

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).

Hypernyms

• (in mathematics): logical connective

Hyponyms

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

Meronyms

• (in logic): disjunct

Coordinate terms

• (in mathematics): conjunction

Derived terms

• disjunctive normal form

Related terms

• disjoin
• disjoint
• disjunct
• disjunctive

Translations

logic

• Czech: disjunkce f
• Danish: disjunktion c
• Finnish: disjunktio (fi)
• French: disjonction (fr) f
• German: Disjunktion (de) f
• Greek: διάζευξη (el) f (diázefxi)
• Icelandic: eðun f
• Norwegian:

  Bokmål: disjunksjon m

• (deprecated template usage) {{trans-mid}}
• Polish: alternatywa (pl) f
• Portuguese: disjunção (pt) f
• Russian: дизъюнкция (ru) f (dizʺjunkcija)
• Serbo-Croatian:

  Cyrillic: дисјункција f (disjunkcija)

  Latin: disjunkcija (sh) f

See also

• conjunction

References

• "Disjunction" in the Stanford Encyclopedia of Philosophy
• "Disjunction" in Wolfram MathWorld
• “disjunction”, in OneLook Dictionary Search.