Math 2.0

Concept

Logic of weak excluded middle

Summary

An intermediate logic obtained by adding all instances of weak excluded middle to propositional logic. Also called "KC" and "Jankov's logic".

Further reading

  1. Wikipedia, page 76765067, revision 1368301704, Glossary of logic, section L. adopted
About this page
TagH9Z8BWRN69
URIm2://H9Z8BWRN69
Kindconcept
WritingW1 stated
Changed4 November 2026

Markdown · JSON · Edit on GitHub

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)

The writing levels say how complete the text of a page is. They do not measure its truth.

What links here

No page links to this page yet.