https://topospaces.subwiki.org/w/index.php?action=history&feed=atom&title=Completely_regular_not_implies_collectionwise_Hausdorff 2026-11-06T14:06:01Z Revision history for this page on the wiki MediaWiki 1.41.2 https://topospaces.subwiki.org/w/index.php?title=Completely_regular_not_implies_collectionwise_Hausdorff&diff=4016&oldid=prev 2012-01-23T19:10:57Z

<p>Created page with &quot;{{topospace property non-implication| stronger = completely regular space| weaker = collectionwise Hausdorff space}} ==Statement== A <a href="/wiki/Completely_regular_space" title="Completely regular space">completely regular space</a> need not be...&quot;</p> <p><b>New page</b></p><div>{{topospace property non-implication|<br /> stronger = completely regular space|<br /> weaker = collectionwise Hausdorff space}}<br /> <br /> ==Statement==<br /> <br /> A [[completely regular space]] need not be a [[collectionwise Hausdorff space]].<br /> <br /> ==Proof==<br /> <br /> ===Examples===<br /> <br /> * The [[Moore plane]] is an example: See [[Moore plane is completely regular]] and [[Moore plane is not collectionwise Hausdorff]]<br /> * The [[Sorgenfrey plane]] is another example: See [[Sorgenfrey plane is completely regular]] and [[Sorgenfrey plane is not collectionwise Hausdorff]]</div>

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