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Cleanup traits of S145 (Free ultrafilter topology on ω) #1186

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merged 6 commits into from
Jan 10, 2025
Merged

Cleanup traits of S145 (Free ultrafilter topology on ω) #1186

merged 6 commits into from
Jan 10, 2025

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yhx-12243
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For {S145|P103}, it can deduced by a simple Theorem “Hereditarily Lindelöf + KC ⇒ Strongly KC” (#1187), which can help resolve lots of traits.

@prabau prabau self-requested a review January 9, 2025 20:44
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prabau commented Jan 9, 2025

P89: See https://math.stackexchange.com/questions/5021484/does-a-free-ultrafilter-topology-have-the-fixed-point-property

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prabau commented Jan 10, 2025

P138: it's ok, but I think it could be done in a slightly simpler way. Let me suggest something.

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prabau commented Jan 10, 2025

Note: it's preferable to use $$ rather than \[ \], because the former can be displayed in preview mode within vscode.

@prabau prabau merged commit 3514501 into main Jan 10, 2025
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@prabau prabau deleted the s145-cleanup branch January 10, 2025 03:58
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