within_continuous_withinNx
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Co-authored-by: mkerjean
| by have [->|] := eqVneq y x; [by apply: nbhs_singleton|near: y]. | ||
| Unshelve. all: by end_near. Qed. | ||
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| Lemma within_continuous_withinNx |
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I propose to use the identifier continuous_injective_withinNx because within_continuous is used most of the time for lemmas involving the {within _, continuous _} notation. Moreover within's appear both in the conclusion of the statement while they are far apart in the current lemma identifier.
affeldt-aist
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Sep 13, 2025
hoheinzollern
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Sep 22, 2025
Co-authored-by: Marie Kerjean <[email protected]> Co-authored-by: Reynald Affeldt <[email protected]>
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Motivation for this change
Adds a lemma strengthening a limit to deleted neighbourhood under injectivity.
Checklist
CHANGELOG_UNRELEASED.mdReference: How to document
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