Epsilon Delta Definition - Coffee and Calculus with Dr. Weselcouch

From a channel Lumen includes in full: Dr Weselcouch, a maths instructor, posts course lectures in discrete mathematics (graph colouring, matchings, stable marriage) and precalculus, organised topic by topic.

A 2-minute video from Dr. Weselcouch's catalogue; the title names its topic.

Video by Dr. Weselcouch, played through YouTube's embedded player.