Math 2.0

Concept

Anti-extension

Summary

In set theory and logic, the complement of the extension of a concept or predicate, consisting of all objects that do not fall under the concept.

Further reading

  1. Wikipedia, page 76765067, revision 1368301704, Glossary of logic, section A. adopted
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TagSWZA2P25BF
URIm2://SWZA2P25BF
Kindconcept
WritingW1 stated
Changed4 November 2026

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What this page needs for W2

  • edge defines in: at least one definition (0 of 1)
  • edge instance_of in: at least two examples (0 of 2)
  • edge not_instance_of in: at least one non-example (0 of 1)
  • edge specializes both: the more general notions and the special cases (0 of 1)

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