..續本文上一頁phical tenet; this comes only later, in the Commentaries. Nevertheless, though as yet implicit, the theory still comes into focus in its role as the regulating principle behind the Abhidhamma”s more evident task, the project of systemization.

　　This project starts from the premise that to attain the wisdom that knows things "as they really are," a sharp wedge must be driven between those types of entities that possess ontological ultimacy, that is, the dhammas, and those types of entities that exist only as conceptual constructs but are mistakenly grasped as ultimately real. Proceeding from this distinction, the Abhidhamma posits a fixed number of dhammas as the building blocks of actuality, most of which are drawn from the Suttas. It then sets out to define all the doctrinal terms used in the Suttas in ways that reveal their identity with the ontological ultimates recognized by the system. On the basis of these definitions, it exhaustively classifies the dhammas into a net of pre-determined categories and modes of relatedness which highlight their place within the system”s structure. And since the system is held to be a true reflection of actuality, this means that the classification pinpoints the place of each dhamma within the overall structure of actuality.

　　The Abhidhamma”s attempt to comprehend the nature of reality, contrary to that of classical science in the West, does not proceed from the standpoint of a neutral observer looking outwards towards the external world. The primary concern of the Abhidhamma is to understand the nature of experience, and thus the reality on which it focuses is conscious reality, the world as given in experience, comprising both knowledge and the known in the widest sense. For this reason the philosophical enterprise of the Abhidhamma shades off into a phenomenological psychology. To facilitate the understanding of experienced reality, the Abhidhamma embarks upon an elaborate analysis of the mind as it presents itself to introspective meditation. It classifies consciousness into a variety of types, specifies the factors and functions of each type, correlates them with their objects and physiological bases, and shows how the different types of consciousness link up with each other and with material phenomena to constitute the ongoing process of experience.

　　This analysis of mind is not motivated by theoretical curiosity but by the overriding practical aim of the Buddha”s teaching, the attainment of deliverance from suffering. Since the Buddha traces suffering to our tainted attitudes — a mental orientation rooted in greed, hatred, and delusion — the Abhidhamma”s phenomenological psychology also takes on the character of a psychological ethics, understanding the term "ethics" not in the narrow sense of a code of morality but as a complete guide to noble living and mental purification. Accordingly we find that the Abhidhamma distinguishes states of mind principally on the basis of ethical criteria: the wholesome and the unwholesome, the beautiful factors and the defilements. Its schematization of consciousness follows a hierarchical plan that corresponds to the successive stages of purity to which the Buddhist disciple attains by practice of the Buddha”s path. This plan traces the refinement of the mind through the progression of meditative absorptions, the fine-material-sphere and immaterial-sphere jhanas, then through the stages of insight and the wisdom of the supramundane paths and fruits. Finally, it shows the whole scale of ethical development to culminate in the perfection of purity attained with the mind”s irreversible emancipation from all defilements.

　　All three dimensions of the Abhidhamma — the philosophical, the psychological, and the ethical — derive their final justification from the…

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