Abstract
Mild errors should be forgiven and then they should also be corrected. In this chapter every exercise starts with the statement of a theorem (a problem). Then we propose a slightly wrong or poorly written proof (solution) where the basic idea is essentially good or at least useful. We ask the reader to fix it and write a correct and complete proof (solution).
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Notes
- 1.
We term disc any set of the form
$$\displaystyle{ \left \{\left (x,y\right ) \in \mathbb{R}^{2}: \left (x - a\right )^{2} + \left (y - b\right )^{2} \leq c^{2}\right \}\, }$$where \(\left (a,b\right )\) is the center and c is the radius.
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Bramanti, M., Travaglini, G. (2018). Learning to Correct. In: Studying Mathematics. Springer, Cham. https://doi.org/10.1007/978-3-319-91355-1_12
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DOI: https://doi.org/10.1007/978-3-319-91355-1_12
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Publisher Name: Springer, Cham
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Online ISBN: 978-3-319-91355-1
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