“Let Φ (a physical possibility structure) be a set of distinct but intersecting paths j_{i}–j_{n}, each of which is a set of functions, L’s, on ordered pairs <t, w> (<time, world situation>), such that for any L_{n}, L_{m}in some j_{i}, L_{n}R L_{m}, where R is a primitive accessibility relation corresponding to physical possibility understood in terms of diachronic physical compatibility.”

– an excerpt from David Foster Wallace’s unpublished undergraduate honors thesis, “Richard Taylor’s ‘Fatalism’ and the Semantics of Physical Modality”, via *the New York Times*