Need help writing a proof? Need to give your ‘kids’ some guidelines? Then check out:
Written by Eugenia Cheng, who is at the University of Chicago.
In it you will find:
1 What does a proof look like?
2 Why is writing a proof hard?
3 What sort of things do we try and prove?
4 The general shape of a proof
5 What doesn’t a proof look like?
6 Practicalities: how to think up a proof
7 Some more specific shapes of proofs
8 Proof by contradiction
9 Exercises: What is wrong with the following proofs”?
This is a very helpful resource and available freely on Eugenia’s website (at least for now…)