set theory

English

English Wikipedia has an article on:

set theory

Wikipedia

English Wikipedia has an article on:

Musical set theory

Wikipedia

set theory (usually uncountable, plural set theories)

(mathematics) The mathematical theory of sets.
- 1972, Peter W. Zehna, Robert Leo Johnson, Elements of Set Theory, Allyn & Bacon, page 4:
  We mentioned previously that certain paradoxes in set theory arose shortly after Cantor's works were published.
- 1984, Robert Goldblatt, Topoi, the categorial analysis of logic‎^[1], page 9:
  The above argument, known as Russell's Paradox, was discovered by Bertrand Russell in 1901. Set theory itself began a few decades earlier with the work of George Cantor.
- 1994, Yiannis N. Moschovakis, Notes on Set Theory, Springer, page 239:
  The serious study of models of axiomatic set theories depends heavily on methods from mathematical logic which are outside the scope of these Notes.
- 2012, M. Randall Holmes, Thomas Forster, Thierry Libert, “Alternative Set Theories”, in Dov M. Gabbay, Akihiro Kanimori, John Woods, editors, Sets and Extensions in the Twentieth Century, North-Holland: Elsevier, page 559:
  The one thing that all alternative set theories have in common is the fact that they are alternatives to ZF or ZFC.
(music) Musical set theory, a systematic approach to describing musical objects and their relationships.

mathematical theory of sets

musical set theory