Math 300A: Rules for Citing Reasons in Proofs

Remember that there is an "Imagined Reader" for your proofs in homework to whom you have to explain your reasoning. We assume that this reader has a copy of Axioms for the Real Numbers, but hasn't memorized it. So we have to explicitly tell the reader when we use a definition, axiom, or theorem with a lower number than the one we are proving. Notes below tell you how much more you may assume about your Imagined Reader for each homework.

Homework guidelines.
Homework assignments.
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Most recently updated on October 23, 2017.