MATH 209: Elementary Set Theory at Queens College

3 credits · Fall 2026

Elementary Set Theory (MATH 209) at Queens College has 1 way to take it in Fall 2026. 1 of 1 section has an open seat right now.

The professor is: Sudeb Mitra.

Compare them below, check the days and times, and add the course to your schedule.

Requirements

Prereq.: MATH 122 or the equivalent. Not open to students who are taking or have received credit for MATH 509 or 609.

About this course

Basic axioms of set theory, algebra of sets, relations and functions, orders, countable and uncountable sets, and additional topics at the discretion of the instructor. The course will introduce some basic proof techniques, with no background in proof-writing assumed. Not open to students who are taking or have received credit for MATH 509 or 609.

Professors for MATH 209 at Queens, Fall 2026

Sudeb Mitra
1 section · 1 open · ★ 2.9 (92) · difficulty 3.0/5 · 50% would take again
Chill Rank 4 of 5: Busy?

Ordered chillest first. A Chill Rank compares a professor with other CUNY professors on Rate My Professors difficulty, rating and would-take-again; it needs at least 3 ratings. How it works

MATH 209 sections, times and seats

Seat status as of Oct 4, 5:41 PM ET. Seats can change between refreshes. How fresh is this?

Chill Rank compares professors using Rate My Professors reviews, from Chill to Brutal. What each rank means

01-LEC Regular

Tue/Thu · 5:00 PM - 6:15 PM

Kiely Hall 422

Sudeb MitraBusy?★ 2.9(92)Difficulty 3.0/5 · 50% would take again

In PersonOpen

Questions about MATH 209 at Queens

Who teaches MATH 209 at Queens in Fall 2026?: Sudeb Mitra is listed for Fall 2026. Each name links to a page with their Chill Rank and Rate My Professors numbers.
Is MATH 209 at Queens hard?: It depends on the professor. Across the 1 professor with a Chill Rank, students on Rate My Professors give an average difficulty of 3.0 out of 5. The Chill Rank above compares them directly.
What if a MATH 209 section is full?: Try another section, join the waitlist in CUNYfirst if there is one, or ask the department. You can also watch a full section and get an email when a seat opens; you still enroll yourself in CUNYfirst.