Materialist Theory For many centuries, people have pondered upon the question if there is a relation between what we think and what we do physically. Our physical brain gives way to a mind, full of thoughts and processes, but what interaction do the two have? Materialism is a way that people consider the relations between mind and matter to be inseparable. We are physical beings and our mental reactions are just by-products of a material process. Materialism can be summed up in three theses. The identification thesis equates mind with matter. States and processes of he mind are nothing more than physical st