This lecture discusses key ideas from the 20th century Analytic philosopher, A.J. Ayer's book Language, Truth, and Logic It focuses specifically on the criticisms of three main positions in Ethics which he views as potential rivals to his own emotivist perspective. He calls these subjectivist, utilitarian, and absolutist perspectives. To support my ongoing work, go to my Patreon site - www.patreon.com/sadler If you'd like to make a direct contribution, you can do so here - www.paypal.me/ReasonIO - or at BuyMeACoffee - www.buymeacoffee.com/A4quYdWoM You can find over 1500 philosophy videos in my main YouTube channel - www.youtube.com/user/gbisadler Purchase Ayer's Language, Truth, and Logic - https://amzn.to/3kq19OZ