Alexander Pruss's Blog

Aquinas’s account of location for material substance is as follows. Ordinary material substances have a special accident—one more fundamenta...

This is an attempt to make an argument for the natural immortality of the soul from the premise that the soul has a proper operation that is...

On Thomistic accounts of transsubstantiation, the accidents of bread and wine continue to exist even when the substance no longer does (havi...

Accidents are more intimately dependent on substance than substantial forms on matter. If (1) is true and God can make accidents survive w...

Corruptionist Thomists think that after death and before the resurrection, our souls exist in a disembodied state and have mental states, bu...

It would be nice to define the internal time of a substance in terms of the causal order of its accidents. For each mode (i.e., accident or...

It is difficult to hold (a) Aquinas’ idea that in transubstantiation the accidents of bread and wine continue existing after the bread and w...

The internal time of a substance is constituted by the causal order within its accidents. But God is a substance that has no accidents. So G...

Suppose that x is F if and only if x has a trope of F ness as a part of it. Here is a cute little problem. Suppose Jim is hurting and ha...

A central Aristotelian insight is that substances exist in a primary way and other things—say, accidents—in a derivative way. This insight i...

Consider this plausible principle: x partially grounds y if and only if there are c s that fully ground y and x is one of the c s. B...

If Catholic teaching on the Eucharist is true, then there is a time t such that an accident of bread exists-at- t and no substance of whic...

The perdurantist thinks that we are four-dimensional beings made up of three-dimensional slices, temporal parts, from which we inherit our c...

This is going to be very speculative, and I doubt it yields an orthodox account of transsubstantiation, but since there is some chance that ...

Thomas Aquinas's take on transsubstantiation supposes that the accidents of bread and wine can continue existing even after the bread an...

At least as traditionally philosophically understood, the Catholic understanding of transsubstantiation insists on the persistence...

A classic objection to transubstatiation, famously pressed by Wycliffe, is that according to the Catholic understanding of the doc...

There are two variations on Aristotelian ontology. On the sparser version there are substances and their modes (accidents and esse...

This isn't meant to be a very good theory, but it's a start. The primitive notion I want to explicate is this notion of t...

Christ is God and Christ is a human. God is unchanging and humans are changing. God is omnipresent and humans are spatiotemporally d...