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
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Originally Posted by Debor 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 Suppose that a<b<c, and consider the intersection $\displaystyle [a,b]\cap[b,c]$.
Originally Posted by Debor 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 How do you define base? What topology?
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