According To Nagel Functionalism
3) According to Nagel, Functionalism is the view that the brain is a physical substance but all its conscious states are not just physical states. It consists of mental processes as well. On the other hand, Dualism states that we consist of a body and a soul and the mental life takes place in our soul. Functionalism is a form of dualism because the core idea behind functionalism is that there are dual aspects of the brain as it is concerned with only the functional states of the brain. It solves the "Species Chauvinish" problem faced by Physicalism by multiple realization. This means that mental states can be realized in physical stuff from matter. For example, pain is caused by physical damage and the pain felt by us is also felt by dogs,