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## MAT A29 — Week 4

## The Epsilon-Delta Story and Examples

Epsilon-delta proofs are the cornerstone of rigorous mathematical analysis.

To help you out, I’ve written up some additional notes on this material.

- Examples of epsilon-delta proofs: contains some proofs with epsilons and deltas.
**The Delta-Epsilon Story**: This is extra material to illustrate the purpose of epsilon-delta proofs. It’s a fictitious dialogue between Alice and Bob, two students in MAT A31, who disagree about the value of .

[Graphic by User:HiTe – Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=2314281]

## MAT A31 — Week 3

## MAT A29 — Week 3

## Office Hours!

This week we had great attendance at office hours. We solved some questions on the white board in my office; the photos are available below the cut.

To make things more convenient:

Office hours are now **11:30-12:30 on Tuesday and Thursday**, and **11-1pm on Wednesday**.

## Trigonometry Review

Some notes that I prepared about trigonometry are available here.

The notes sketch things like and solve equations like .

## Office Camera

There is a camera in my office which I use to take photos of the white board. The photos are automatically posted to http://pgadey.ca/office/cam/. If we work on a question during office hours, then it will appear on that page.

## MAT A31 — Week 2

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This blog post contains my notes for MAT A31. It includes links to my lecture notes, practice problems, and some additional references for the curious.

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