Please see the updated videos at
1.3.1: [ Ссылка ] ("Proving" Logical Equivalances)
1.3.2: [ Ссылка ] (Key Logical Equivalences Including DeMorgan's Law)
1.3.3: [ Ссылка ] (Constructing New Logical Equivalences)
The full playlist for Discrete Math I (Rosen, Discrete Mathematics and Its Applications, 7e) can be found at [ Ссылка ]
