Propositional Logic Truth Trees Tautologies and Contradictions

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In this video on #PhilosophicalLogic / #Logic we look at how to prove tautologies and contradictions in truth trees using our rules. • 0:00 [Intro] • 0:15 [Tautologies and Example #1] • 6:17 [Contradictions and Example #2] • 8:05 [Practice Question] • Follow along in the Logic playlist: • Philosophical Logic (2024) Lectures • If you want to support the channel, hit the JOIN button above and pick a channel subscription that suits your needs: / @trevtutor • Patreon: http://bit.ly/2EUdAl3 • Website: http://TrevTutor.com • Subscribe: http://bit.ly/1vWiRxW • Facebook: http://on.fb.me/1vWwDRc • -Playlists- • Logic: • Philosophical Logic (2024) Lectures • -Recommended Textbooks- • The Logic Book: https://amzn.to/31h2qR8 • Modal Logic for Philosophers (Garson): https://amzn.to/3dECGn4 • A Friendly Introduction to Mathematical Logic: https://amzn.to/37hMYZa • An introduction to Formal Logic with Philosophical Applications: https://amzn.to/3j3J9sx • Hello, welcome to TheTrevTutor. I'm here to help you learn your college courses in an easy, efficient manner. If you like what you see, feel free to subscribe and follow me for updates. If you have any questions, leave them below. I try to answer as many questions as possible.

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