MATH 3IA3
Introduction to Analysis
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Prof: Eric Sawyer / Fall 2025
Dec 30, 2025
The class was fine, nothing noteworthy about it really.
We went through sections one to five of the assigned textbook, Introduction to Real Analysis (Bartle & Sherbert). Most of the content was familiar because of prior exposure in classes like Proofs in Calculus (MATH 1XA3). Arguably the content had to be useful since it's to prepare you for MATH 3A03!
The prof was okay, except he was absent often due to health related issues. He never told us when he would be away, so we'd blindly walk into class only to have the post doc professor teach us. Honestly, that was not a pleasant experience. This really disturbed the learning process because one prof would use the projector and ipad, while the other only used the white/black boards. Also, they never posted notes, so if you missed a class, that's just too bad.
It is crucial to know that there are A LOT of definitions and theorems that you need to know, and how to prove them. It is very important to know how to prove the named theorems, like Rolle's or Carathéodory's. Not to mention, DAILY PRACTICE IS KEY! Barely touching the course material will ensure that you fail the course, or at least, the tests and assessments.
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