His view can perhaps best be described as a form of nonreductive physicalism ( NRP ) or supervenience theory .
Despite the causal and explanatory gap between the phenomena on different levels , Alexander held that emergent qualities were not epiphenomenal .
Alexander 's view can perhaps best be described as a form of nonreductive physicalism ( NRP ) or supervenience theory .
Despite the causal and explanatory gap between the phenomena on different levels , Alexander held that emergent qualities were not epiphenomenal .