On Robert Hanna’s Notion of the Protologic

Thought, or more precisely, the principle that constrains thought, namely the original synthetic unity of apperception, is the a priori ground of logical and conceptual truths as well as non-logical truths, which are about objects in the world, or anything that is not logically or merely conceptually analysable. (“Good-Bye To Analytic Philosophy And All That” 9)[1]

I interpret pure general logic’s generality in terms of logical truth’s necessary underdetermination by every possible domain of truth-making objects, including empty domains as a limit case, along the lines of Tarski’s model-theoretic definition of logical truth, but not as abstracting logic away from objects. (“Good-Bye To Analytic Philosophy And All That” 11)

Then transcendental logic requires, as its special domain of objects, all the objects of actual or possible human experience, that is, all the experienceable worlds. (“Good-Bye To Analytic Philosophy And All That” 11)

Hence transcendental logic also specifically presupposes all the transcendental conditions for the possibility of human experience — the pure forms of sensibility, the schematized Categories, the transcendental schemata of the imagination, and the original synthetic unity of apperception — whereas pure general logic does not. (“Good-Bye To Analytic Philosophy And All That” 11)

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