Sigmund freud’s theory of the unconscious?

Freud divided the mind into the conscious mind (or the ego) and the unconscious mind. In this theory, the unconscious refers to the mental processes of which individuals make themselves unaware.

It depends on what type of third separates the three notes.for example: if you have two mayor thirds is an "aumented chord"if you have two minor thirds is an "diminued chord"if you have one mayor first and then one minor is a "mayor chord"and inverted is a "minor chord"