Formal Logic Formal logic deals with deductive reasoning and the validity of the inferences produced. For an argument to work, the conclusion must logically follow the premises and the premises must be true.
Vibe is the aura a person possess. The kind of vibes that a person emanates depends on his feelings. Every feeling has a frequency or energy. If you feel good, happy or comfortable while meeting someone you say that the person emanates positive vibes.
Viber International Calls Feature and Rates. Viber is a VoIP and instant messaging app that boasts of different features which include sending videos and images, making voice and video calls as well as sending stickers to other Viber users.