It is widely known that Kasimir Twardowski was a student of Franz Brentano. In view of the fact that Brentano generally had great impact through his lectures, especially during his Vienna period (18741895), and consequently became one of the towering figures of Austrian philosophy, it is a matter of no small interest to determine how he influenced Twardowski. There are, however, difficulties in...

Abstract According to Franz Brentano, every mental act includes a representation of itself. Hence, Brentano can be described as maintaining that: (T1) reflexivity, when it occurs, is included part in acts; and (T2) reflexivity always occurs. Brentano’s way understanding the inclusion acts entails double intentionality acts. The aim this paper show that conjunction not uncommon history philosoph...