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Pastimes : Dispatches from the Ivory Tower
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To: zonder who wrote (35)2/14/2005 11:48:28 AM
From: LPS5  Read Replies (1) of 79
 
What mathematics professors say and what they mean by it.

*****

1. Clearly:

I don't want to write down all the "in-between" steps.

2. Trivial:

If I have to show you how to do this, you're in the wrong class.

3. It can easily be shown:

No more than four hours are needed to prove it.

4. Check for yourself:

This is the boring part of the proof, so you can do it on your own time.

5. Hint:

The hardest of several possible ways to do a proof.

6. Brute force:

Four special cases, three counting arguments and two long inductions.

7. Elegant proof:

Requires no previous knowledge of the subject matter and is less than ten lines long.

8. Similarly:

At least one line of the proof of this case is the same as before.

9. Two line proof:

I'll leave out everything but the conclusion, you can't question 'em if you can't see 'em.

10. Briefly:

I'm running out of time, so I'll just write and talk faster.

11. Proceed formally:

Manipulate symbols by the rules without any hint of their true meaning.

12. Proof omitted:

Trust me.

*****

I can personally vouch for all of these.

e
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