Scott Edgar (Saint Mary's) returns to Kant's argument from Geometry, this time examining two famous objections to it: the famous 'neglected alternative' objection and a powerful objection from 20th century physics. [5:18]

What is space? Kant's answer is a head-scratcher: space is merely a form of intuition. Scott Edgar explains this rather perplexing answer in accessible, every-day language. [7:12]