different between disjunction vs intersection

English

Etymology

From Old French disjunction, from Latin disjunctio

Pronunciation

• (UK) IPA^(key): /d?s?d???k(t)??n/, /d?s?d???k(t)??n/

  Rhymes: -??k??n

Noun

disjunction (countable and uncountable, plural disjunctions)

1. The act of disjoining; disunion, separation.
2. The 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).

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

See also

• conjunction

References

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

English

Etymology

From Middle French intersection, from Latin intersecti?

Pronunciation

• IPA^(key): /??nt???s?k??n/, /??nt???s?k??n/

Noun

intersection (plural intersections)

1. The junction of two (or more) paths, streets, highways, or other thoroughfares.
2. Any overlap, confluence, or crossover.
3. (geometry) The point or set of points common to two geometrical objects (such as the point where two lines meet or the line where two planes intersect).
4. (set theory) The set containing all the elements that are common to two or more sets.
5. (sports) The element where two or more straight lines of synchronized skaters pass through each other.[1]
6. (category theory) The pullback of a corner of monics.

Synonyms

• (junction of paths): crossroads

Related terms

Translations

See also

• corner
• crossroad, crossroads
• junction
• overlap
• union
• ?