The intervals between the notes follow a set pattern that depends on the type of scale. The first scale everyone encounters when learning music is the major scale (pictured above), which follows the ...

Set Theory in Operations Set theory is used in almost every discipline including engineering, business, medical and related health sciences, along with the natural sciences.

We recently wrote about how infinitely large sets are not all the same size as each other, but we were a bit vague about what we meant by a set. The people who invented set theory also started out ...

The theory has an axiom of unrestricted pairwise union, however, and unrestricted complements. An interpretation of the axioms in a set theory similar to Zermelo-Fraenkel set theory with global choice ...