Brentanians against Relationalism about Colours

Abstract The aim of my article is to present the critique by Brentanians – more precisely, Brentano himself and his students Stumpf Marty thesis that colours are properties relational a perceiver. For Brentanians, monadic physical properties. I will show, think do not exhibit relationality perception when we experience them, concepts them contain any mark representing relation perception; this phenomenological logical non-relationality, they think, allows hold nature. Despite arguing physical, also exist in reality, their opinion these two theses perfectly compatible. further show although (especially Marty) claim monadic, nonetheless allow for loose which is, however, identical other property. conclude discussing some interesting consequences Brentanian theory contemporary debates about colours.