would be the topic for a treatise. I can only indicate those elements in my analysis of it which are relevant to the present train of thought.
Our experience, so far as it is primarily concerned with our direct recognition of a solid world of other things which are actual in the same sense that we are actual, has three main independent modes each contributing its share of components to our individual rise into one concrete moment of human experience. Two of these modes of experience I will call perceptive, and the third I will call the mode of conceptual analysis. In respect to pure perception, I call one of the two types concerned the mode of ‘presentational immediacy,’ and the other the mode of ‘causal efficacy.’ Both ‘presentational immediacy’ and ‘causal efficacy’ introduce into human experience components which are again analysable into actual things of the actual world and into abstract attributes, qualities, and relations, which express how those other actual things contribute themselves as components to our individual experience. These abstractions express how other actualities are component objects for us. I will therefore say that they ‘objectify’ for us the actual things in our ‘environment.’ Our
