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.
The other answers here are stupid. This does have a spiritual meaning. It is a sign from the unseen world. You are going through some sort of turmoil in your life...in your mind. Someone from the other world is sending you a message with the smell of cinnamon which is a comforting smell. They are telling you that everything will be alright.