Please see the updated videos at
1.1.1: https://youtu.be/A3Ffwsnad0k (Propositions, Negations, Conjunctions and Disjunctions)
1.1.2: https://youtu.be/rAxXcX_w5fE (Implications (Converse, Inverse, Contrapositive and Biconditional)
1.1.3: https://youtu.be/hWEZsyF3ZZc (Constructing a Truth Table for Compound Propositions)
The full playlist for Discrete Math I (Rosen, Discrete Mathematics and Its Applications, 7e) can be found at https://www.youtube.com/playlist?list=PLl-gb0E4MII28GykmtuBXNUNoej-vY5Rz