History of Hyperbolic Geometry and Euclid's 5th Postulate

[@dalwand]

Thank you for making this video - I may use it in my course :-)

[@pgadey]

Wonderful. Please let me know if you use it.

[@yeediuyang1158]

Hi prof. Is the video desinged for MAT402 at uoft?

[@pgadey]

Yeah, this is one of the early videos that I filmed for the course. However, it did not get included in the final syllabus for the course. Maybe I should post it to MAT 402 for fun?

[@vangamba1073]

Thank you Sir.

[@RichMorti]

13:53 how is that line “parallel” to l?

[@alpetensel4047]

I was wonderng the same question

[@feliperiquelme8504]

@@alpetensel4047 parallel means that it doesn't intersect