In his Philosophy and the Scientific Image of Man (1962), Sellars distinguishes between the "manifest image" and the "scientific image" of the world.
The manifest image includes intentions, thoughts, and appearances. Sellars allows that the manifest image may be refined through 'correlational induction', but he rules out appeal to imperceptible entities.
The scientific image describes the world in terms of the theoretical physical sciences. It includes notions such as causality and theories about particles and forces.
The two images sometimes complement one another, and sometimes conflict. For example, the manifest image includes practical or moral claims, whereas the scientific image does not. There is conflict, e.g. where science tells us that apparently solid objects are mostly empty space. Sellars favours a synoptic vision, wherein the scientific image takes ultimate precedence in cases of conflict, at least with respect to empirical descriptions and explanations.
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