1.1: use full -> useful
1.1: easy o spot -> easy to spot
1.1: it is proved -> it has been proven
1.1: zijn class 4 CA's niet universal computers, ipv class 3?

2.1: it's rule set -> its rule set
2.1: wile result -> wil result
2.1: can be assumed as random -> can be assumed to be random

2.2: also known is -> also known as

grafieken: mis de x en y labels?

3: and gets its -> and get its

3.2: in this case their are -> in this case there are
3.2: figure ?? -> ?? invullen ;p