Skip to main content
3 events
when toggle format what by license comment
Aug 26, 2015 at 3:26 comment added user78375 The question asks for the maximum cardinalitiy of a union of pairwise incomparable chains. By the definition of incomparable collections of sets, any collection consisting of a single set is incomparable. The set you list is a single chain, and can therefore be written as the union of an incomparable collections of chains (namely the collection consisting of a single chain, the whole set).
Aug 25, 2015 at 2:18 review First posts
Aug 25, 2015 at 4:20
Aug 25, 2015 at 2:15 history answered Josh Brown Kramer CC BY-SA 3.0