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I like the proof from Alexander's subbase lemma. E.g. A proof hereA proof here.
That lemma also gives the compactness criterion in ordered spaces (completeness implies compactness).
I like the proof from Alexander's subbase lemma. E.g. A proof here.
That lemma also gives the compactness criterion in ordered spaces (completeness implies compactness).
I like the proof from Alexander's subbase lemma. E.g. A proof here.
That lemma also gives the compactness criterion in ordered spaces (completeness implies compactness).
I like the proof from Alexander's subbase lemma. E.g. A proof here.
That lemma also gives the compactness criterion in ordered spaces as well(completeness implies compactness).
I like the proof from Alexander's subbase lemma. E.g. A proof here.
That lemma also gives the compactness criterion in ordered spaces as well.
I like the proof from Alexander's subbase lemma. E.g. A proof here.
That lemma also gives the compactness criterion in ordered spaces (completeness implies compactness).
