Hello i need yours help!!

Show that the class of closed intervals [a,b], where a and b are rational and a<b, is not a base for a topology on the real lineR

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- March 7th 2010, 07:23 AMDeborBases for topologies
Hello i need yours help!!

Show that the class of closed intervals [a,b], where a and b are rational and a<b, is not a base for a topology on the real line**R** - March 7th 2010, 07:55 AMOpalg
- March 7th 2010, 08:42 PMDrexel28