Buddhist Logic: Why A is not A

Kenneth Leong
4 min readJul 19, 2021

Most people find the Diamond Sutra difficult to understand — for a good reason. In this sutra, we often see this syllogism (i.e. line of reasoning):

A is not-A

Therefore, it is called A.

Such kind of logic is absurd to most people. It violates, for one, the Law of Noncontradiction. How can something be its opposite?

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Kenneth Leong

Author, Zen teacher, scientific mystic, professor, photographer, philosopher, social commentator, socially engaged human