A Vindication

A Vindication Wim Klever Comparing Hume with Spinoza I am accused ofhaving misread both, at least in certain respects; I would have gone too far in considering Spinoza as an influential root of Hume's thought. On occasion of Dr. Leavitt's criticism I would like to stress the following points: 1. In spite ofWolfson'sendeavourtoreduceSpinozatoAristotelian, scholastic and Jewish sources ofthe Middle Ages, many texts—in fact all texts in which Aristotle ismentioned—constitute aconvincingproof that Spinoza not only rejected,just like Hume, all sorts ofAristotelian and scholastic speculation, buteven showedmuch contemptfor them.1 In the same way there cannot be any doubt that he rejected Maimonides' Jewish Aristotelianism.2 In the TTP he defines his position in sharp contrast to Maimonides. 2.Nominalism means that names may be used for the indication of many items whereas ideas are essentially ideas of particulars. According to Spinoza everything is reflected in its own specific idea,3 whereas names like 'ens', 'aliquid', 'man', etc. may be the sign, sometimes ambiguously but often also without confusion, of more things, which are vaguely conceived. This confused idea, then, is nevertheless the properideaofaparticularblurredimageinthebrains. Some eminent scholars like Stuart Hampshire and Martial Gueroult (I confess: not all ofthem) pretend that Spinoza is a true nominalist. I think the texts (and the whole structure of the system) enforce us to confess that they are right. 3.In the case of common things, that is, (elementary) things common to all beings, the human body included, the ideas of these things are, though particular, common too.4 In spite ofand in line with Hume's agreement with Spinoza's nominalism he does not deny, as Leavitt pretends, the existence of common notions. In "Of the Passions," part 1, section 10, he writes that "according to common notions a man has no power, where very considerable motives Ue betwixt him and the satisfaction of his desires, and determine him to forbearwhathe wishes toperform."5Thispassageis notatallinconflict with Treatise 1.1.7 in which the real existence ofabstract ideas in our mind is refuted. The ideas of things we have in common with other natural beings, may not be called abstract for that reason. This section (T 17-25) is perfectly congruous with Spinoza's position. 4.I keep to my claim that there is a striking parallel between Spinoza's famous distinction between three kinds of knowledge Volume XVII Number 2 209 WIM KLEVER (2 Ethics 40s2) and some statements ofHume. Additional evidence for this claim (compared with what I gave already) is to find in Treatise 1.3.11, where Hume marks "several degrees of evidence, ... distinguishing] human reason into three kinds, viz. that from knowledge, from proofs, and from probabilities" (T 124, first emphasis added); and in the Enquiry, where all objects of human reason are dividedinto three (!)kinds as well, namely"Relations ofIdeas ... either intuitively or demonstratively certain" and "Matters ofFact."6 Put into a diagram the resemblance becomes even more apparent: Spinoza Ethics opinio/imaginatio ratio intuitio Hume TreatiseEnquiry probabilityMatters of Fact proofdemonstratively knowledgeintuitively Careful comparison ofthe texts shows that the functions attributed to the various kinds ofknowledge are exactly the same in Spinoza as in Hume, contrary to what is suggested by Leavitt. I only need to remind him ofthe 'Spinozistic' opening ofTreatise 1.3.3: "Tis a general maxim in philosophy, that whatever begins to exist, must have a cause of existence ... Tis suppos'd to be founded on intuition, ... All certainty arises from the comparison of ideas, and from the discovery of such relations as are unalterable" (T 78-79). Both philosophers locate the highest kind of knowledge in the evidence of mathematics and the common properties of nature, explained in physics. Let us not forget that both are fully naturalists, for whom the understanding of things "sub specie aeternitatis" (Spinoza's description of the third kind of knowledge) means in fact the intuition of the particular essence of things in a scientific way. 5.In the TractatusTheologico-Politicus itiscertainly not Spinoza's intention to show that the third kind of knowledge is identical with prophecy. On the contrary, in the first two chapters he clearly demonstrates, in his scientific hermeneutics, that prophecy is...