boundary-particle

Updated: May 18, 2025

In the first case the event-particle will be said to 'lie outside' the event e, in the second case the event-particle will be said to 'lie inside' the event e, and in the third case the event-particle will be said to be a 'boundary-particle' of the event e.

Alfred North Whitehead - The Concept of Nature: The Tarner Lectures Delivered in Trinity College, November 1919