Is the Sorgenfray Plane Normal? | Regular and Normal spaces | Topology

[@Problemathic]

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[@depressedguy9467]

Amazing , just going through it for my phd interview at IISC

[@Problemathic]

Thanks! That’s great, good luck!! 💪🏻

[@vadimpavlov6037]

6:20 I think the function phi does not map L onto all D - at least this is not evident. Changing D to phi(L) seems to not affect the argument though.

[@Problemathic]

Yes, you’re right!

[@AbdelbassetLagnaoui]

Great work Please u can tell me which app & matèrial you use to create this video

[@Problemathic]

Hi! I use OBS studio to make the videos. All the material is available in Kofi or Patreon! The links are in the description of the video ❤