28:37 duration 28 minutes 37 seconds
Air Pollution and Ecosystem Health…
Air Pollution and Ecosystem Health (Eutrophication and Ozone Deposition) Slide-cast
This is a recording covering the slides at the end of the Air Pollution and Ecosystem Health lecture that I didn't get to in the live lecture.
02:23 duration 2 minutes 23 seconds
CL - Lecture 3b - Particular Propositions
You have already met Aristotle's universal propositions, universal assertion, "every a is b", and universal denial, "no a is b". The negations of these are his particular…