It was believed that the thought process of a person was peculiar to one of two different classes: the bourgeoisie or the proletariats.
The thought process of a person was peculiar to one of two different classes. This was what it was believed. The thought process of a person was peculiar to the bourgeoisie. This was what it was believed. The thought process of a person was peculiar to the proletariats. This was what it was believed.