Prepare for monday

Paragraphs of the book by Klein

3.1.3
3.2.0
3.2.1
3.2.5
4.1.2
4.2.1
4.2.2

And the slides
https://docs.google.com/file/d/0B5ANVi2-PJQgWm1KTnROT0ZydGc/edit?usp=sharing