# Math 431/531

## Fall 2018

- Syllabus.
- Handout on Writing by Jack Lee.
- Resources if you want to learn TeX.
- Homework 1 (due 9/26): pdf, tex. Solutions: pdf, tex.
- Reading for 531 students: G. Moore,
*The emergence of open sets…*
- Homework 2 (due 10/3): pdf, tex. Solutions: pdf, tex.
- Homework 3 (due 10/10): pdf, tex. Solutions: pdf, tex.
- Handout: streamlined proof that a subset of a metric space is open iff its complement is closed: pdf, tex.
- Homework 4 (due 10/19): pdf, tex. Solutions: pdf, tex.
- Midterm 1, solutions, tex.
- Homework 5 (due 10/26): pdf, tex. Solutions: pdf, tex.
- Homework 6 (due 11/2): pdf, tex. Solutions: pdf, tex.
- Handout: streamlined proof that a subset of
**R** is connected iff it’s an interval: pdf, tex.
- Homework 7 (due 11/12): pdf, tex. Solutions: pdf, tex.
- Midterm 2, solutions, tex.
- Homework 8 (due 11/16): pdf, tex. Solutions: pdf, tex.
- Homework 9 (due 11/26): pdf, tex. Solutions: pdf, tex.
- Homework 10 (not due): pdf, tex.
- Final Exam, solutions, tex.