Math 2.0

Concept

Right-narrow

Summary

A partially ordered set, (α,≤) in which for all b in α, {c:c∈α∧b≤c} (the up-set of b) is a set.

Further reading

  1. Wikipedia, page 43580500, revision 1360947732, Glossary of set theory, section R. adopted
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Changed4 November 2026

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  • 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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