Template:Not upper join-closed

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Revision as of 13:32, 2 October 2008 by Vipul (talk | contribs) (New page: ===Upper join-closedness=== {{quotation|''This subgroup property is '''not''' upper join-closed: if a subgroup has the property in intermediate sub...)
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Upper join-closedness

This subgroup property is not upper join-closed: if a subgroup has the property in intermediate subgroups it need not have the property in their join.