Hello !

which is the maximal element of the set S={ {1,2},{1,2,3},{3,4},{4,5}} which A<=B <=>$A \subseteq B$,

which is the maximal elements by zorns lemma ?????

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- February 15th 2013, 01:14 PMjohn27which is the maximal element of the set S={...}
Hello !

which is the maximal element of the set S={ {1,2},{1,2,3},{3,4},{4,5}} which A<=B <=>$A \subseteq B$,

which is the maximal elements by zorns lemma ????? - February 15th 2013, 02:08 PMPlatoRe: which is the maximal element of the set S={...}