Weakening
Summary
A rule in both propositional and predicate logic allowing the addition of propositions to a derivation without affecting its validity, reflecting the idea that if something follows from a set of premises, it also follows from any larger set of premises.
Further reading
- Wikipedia, page 76765067, revision 1368301704, Glossary of logic, section W. adopted
About this page
| Tag | VHRXX0T5XT |
|---|---|
| URI | m2://VHRXX0T5XT |
| Kind | concept |
| Writing | W1 stated |
| Changed | 4 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)
The writing levels say how complete the text of a page is. They do not measure its truth.
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