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.
Mojo means your influence, confidence or personal charisma. It was originally a slang term from the US associated with the music and dance culture, but has entered the English as well as the American language and is being used more widely.