Talk:Union from Synthetic Basis is Topology

How does Proof 2 differ materially from Proof 1? --prime mover (talk) 09:43, 25 November 2012 (UTC)


 * My thought was that it would be nice to have a proof that takes the approach in Metric Induces Topology. But now that I've thought on your comment for a while, it does seem that Proof 2 doesn't add anything. Feel free to delete it. --abcxyz (talk) 16:35, 30 November 2012 (UTC)