lemma about !=set0 #1768
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lemma about !=set0 #1768
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Co-authored-by: IshiguroYoshihiro <[email protected]>
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CohenCyril
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Nov 25, 2025
| by rewrite eqEsubset; split. | ||
| Qed. | ||
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| Lemma not_nonemptyP A : ~ (A !=set0) <-> A = set0. |
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Motivation for this change
to replace the combined used of
set0PetnegPnfyi @IshiguroYoshihiro
Checklist
CHANGELOG_UNRELEASED.md- [ ] added corresponding documentation in the headersReference: How to document
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all compile are preferentially merged into master.
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