at_left version of an at_right lemma#1255
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affeldt-aist merged 2 commits intomath-comp:masterfrom Jul 19, 2024
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I will maybe merge this one because it is useful and clearly missing (I agree that there is still the topic of checking whether the surrounding theory is complete, that can maybe be issued for later) |
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Motivation for this change
the proof is obtained by exploiting the symmetry between
at_leftandat_rightproof used in work in progress by @IshiguroYoshihiro
Checklist
CHANGELOG_UNRELEASED.md- [ ] added corresponding documentation in the headersReference: How to document
Reminder to reviewers