Everything you need to understand or teach Proof by David Auburn.
The plot moves into high gear when Hal discovers in one of the notebooks that Robert left behind a proof of a mathematical theorem that mathematicians had thought impossible. It is a sensational discovery, but Catherine stuns Hal by claiming she wrote the proof. But did she? The handwriting in the notebook looks very like her father's. As the mystery develops and resolves, the playwright explores issues such as what the link may...
Proof Lesson Plans contain 130 pages of teaching material, including: