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July 21, 2016 / porton

New proof of Urysohn’s lemma

I present a new proof of Urysohn’s lemma. Well, not quite: my proof is dependent on an unproved conjecture.

Currently my proof is present in this PDF file.

The proof uses theory of funcoids.


Leave a Comment
  1. porton / Jul 21 2016 18:09

    There is currently an error (or at least white spot) in the proof, see


  2. porton / Jul 21 2016 18:24

    The error in the proof was corrected.


  3. porton / Jul 21 2016 20:59

    The proof rewritten.



  1. A counterexample to my conjecture | Victor Porton's Math Blog

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