Chapter one corrected

- Spellchecked
- Math corrected
Correcting one more error

eine instead of einer
Merge branch 'master' of https://github.com/amadeocompositions/Analysis-Notes into amadeocompositions-master

Conflicts:
	Tex/Chapters/Chapter_1.tex
Merge branch 'amadeocompositions-master'
Merge branch 'master' of https://github.com/pennatil/Analysis-Notes