Math 2.0

Concept

Necessity of identity

Summary

The principle stating that if two objects are identical, they are necessarily identical in all possible worlds.

Further reading

  1. Wikipedia, page 76765067, revision 1368301704, Glossary of logic, section N. adopted
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WritingW1 stated
Changed4 November 2026

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  • 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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