Two Problems in Spinoza's Theory of Sense Perception
Dissertation, Princeton University (
1991)
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Abstract
In Chapter One, I define two problems inherent in Spinoza's theory of sense perception. I call them "the Proposition Twelve problem" and "the sameness of perceptual experience problem," and I describe them as follows. The Proposition Twelve problem. According to Proposition Twelve of Book Two of the Ethics, human minds perceive all events in the bodies with which they are identified. Furthermore, according to Propositions Sixteen, Seventeen, and Nineteen, human minds also perceive the causes of such events. Introspection belies these claims. The sameness of perceptual experience problem. By the Scholium to Proposition Thirteen of Book Two of the Ethics, all beings have minds which perceive events in their bodies, and by Propositions Sixteen, Seventeen, and Nineteen, all beings also perceive the causes of their bodily events. If all beings perceive events in their bodies and the causes of these events, then all have the same kind of perceptual experience. But philosophical intuition denies that this is so. ;After characterizing the two difficulties, I discuss various scholarly replies to them, placing my work within the context of the critical tradition. In Chapter Two, I offer resolutions of the problems I see as available to Spinoza: that the duration of the perception of a bodily modification varies with the complexity of the modification, and that the duration, associability, frequency, and coherence of perceptions of causes of bodily modifications vary in the same way; that the associability, frequency, coherence, and distinctness of perceptions of causes of bodily modifications vary with the number of modifications a host body sustains, where the number of modifications sustained is a function of the complexity of the host body; that, given the correlations based on duration, perceptions of complex modifications and their causes are more present to the human mind than perceptions of simple modifications and their causes; that, given the correlations based on duration and number, perceptions by minds of complex organisms are longer, more associable, more frequent, and more coherent than perceptions by minds of simple organisms. In Chapter Three, I comment on issues in interpretation related to the resolutions