How could compare idealism versus realism?
In general, realism holds that substances are real and have nothing to do with ideas. In other words, substances are not ideas nor are their properties reducible to mental qualities such as color or weight despite the relativity in our responses to these phenomenon. For example, one might see red while another sees blue or one feels the rock is heavy while another feels it as light. Which is it? These qualities are not subjective for the realist because they belong to the thing, not to our subjective feelings or mind. The realist would hold that the proof of such things is found in objective evidence that has nothing to do with the mind. Thus, colors are properties of the thing’s features such as carbon absorbs white light perceived as black while lead has a specific weight and density in spite of who is holding it. A microwave will boil a specific amount of water in a specific time, and psychological associations have nothing to do with it other than learning or relearning that boilin
