MATH 223DTopics in Descriptive Set Theory
Mathematics · 4 units · Graduate courses (200-299)
Classical and effective results on Borel and projective sets; infinite games of perfect information and principle of determinacy; consequences of determinacy, including periodicity, structure theory of pointclasses, and partition properties. Topics vary from year to year. May be repeated for credit with consent of instructor.
S/U or letter grading.
When it runs
- Spring 2026
- Spring 2027
Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.
Requisites
Official UCLA wording
Requisites: courses 220A, 220B.
Requires
Everything that has to come before this course, not just the courses named in the requisite above.
MATH 223D
- MATH 220AMathematical Logic
- MATH M114SIntroduction to Set Theory
- MATH 220BMathematical Logic
2 direct requisites. Showing 7 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.
Unlocks
What this course is a requisite for, and what those courses lead to in turn.
No course in the catalog lists this as a requisite.