Foundations: irrational vs. rational numbers, biconditional proof, inequalities, 1-28-25 part 2

From a channel Lumen includes in full: James Cook, a university maths professor, posts his complete class lectures in calculus, linear algebra, differential equations and complex analysis.

A 14-minute video from James Cook Math's catalogue; the title names its topic.

Video by James Cook Math, played through YouTube's embedded player.