Kant’s Synthetic a priori
Chart illustrates the relationship between a posteriori and a priori propositions, on one axis, and analytic and synthetic propositions, on another, especially as this facilitates an understanding of Kant’s Synthetic a priori.
- For Leibniz and others prior to Kant, all the propositions that we know only through experience (a posteriori) are synthetic and all synthetic propositions are only known through experience. All the propositions that we know self-evidently (a priori) are analytic.
- Kant admits that propositions that we know only through experience are synthetic, but he does not admit that all synthetic propositions are only known through experience. Some synthetic propositions are known a priori: self-evidently — e.g., Kant’s categories (causality, etc.).
Kant’s Twelve Categories
Chart / illustration of Kant’s list of twelve categories, made up of four groups (‘moments’) of three categories each.
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