SICP 1.3.4 discussion commit ( todo: character-to-tex fix )
Tiny fix of some sentences
Tiny fix of some sentences
added new lines
Tiny fix of some sentences
fix headings
chenged some sentences to the TeX notation
Merge pull request #33 from sicp-reading/sicp-1.3.4

SICP 1.3.4 discussion commit ( todo: character-to-tex fix )