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.
aura - a sensation (as of a cold breeze or bright light) that precedes the onset of certain disorders such as a migraine attack or epileptic seizure. symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease.