
Channel: TrevTutor
Category: Education
Tags: natural deductive logictheorems in proofstheorems in logicpropositional logic tautologiespropositional logic theoremspropositional logic proofsnatural deductive tautologynatural deductive logic tautologynatural deductive logic theorems
Description: In this video on #Logic, we learn what theorems are in natural deductive proofs and prove four of them. 0:00 [What are theorems?] 0:59 [Proof #1: If P then P] 2:38 [Proof #2: P and not P] 4:33 [Proof #3: if P then not not P] 6:38 [Proof #4: P or not P] 9:27 [Theorem Introduction] If you want to support the channel, hit the "JOIN" button above and pick a channel subscription that suits your needs: youtube.com/channel/UCGYSfZbPp3BiAFs531PBY7g/join Patreon: bit.ly/2EUdAl3 Website: TrevTutor.com Subscribe: bit.ly/1vWiRxW Facebook: on.fb.me/1vWwDRc *--Playlists--* Logic: youtube.com/playlist?list=PLDDGPdw7e6AhsNuxXP3D-45Is96L8sdSG *--Recommended Textbooks--* The Logic Book: amzn.to/31h2qR8 Modal Logic for Philosophers (Garson): amzn.to/3dECGn4 A Friendly Introduction to Mathematical Logic: amzn.to/37hMYZa An introduction to Formal Logic with Philosophical Applications: 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



















