Alexander Pruss's Blog

My 13-year-old daughter came up with a rather nice argument against taking knowledge to be nothing but justified true belief. Jesus tells u...

For a while this spring I’ve been thinking about ways of avoiding quaternity views of God. The problem is that, first, Father ≠ Son, Son ...

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

Humans are ridiculous. Humans are only ridiculous if there is a being much greater than humans. So, there is a being much greater than hu...

The Company axiom of mereology holds that an object cannot have only one proper part. This is a weaker version of the (Weak) Supplementation...

Let me re-phrase an argument from an earlier post . Suppose “=” is governed by the classical rules of identity, and G, F, S, and H are name...

One of the philosophical challenges of Aquinas’ account of transsubstantiation is his insistence that the bread and wine are not merely anni...

In yesterday’s post , I discussed the Real Presence in the context of relativistic time. There, I made the assumption that when Christ is re...

Jesus Christ like all human beings has an internal clock. One can measure that clock in heartbeats or in lower level physical interactions o...

Consider a standard Gettier case. A cutout of a sheep in a field hides a sheep behind it. At that distance, the cutout looks just like a she...

Suppose Alice is essentially a non-liar and essentially knows all about human affairs as well as about her essential properties, but she doe...

Consider a choice between two wagers on a fair coin: W 1 : on heads, you get $1 if you are perfectly rational and $3 if you are not W 2 :...

I was reading Jerry Walls’ lovely piece on purgatory for class. Thinking about it has made me realize that given that all who are in heaven...

Recently, I found myself puzzled by the difficulty in applying “classical” evidential decision theory to a perfectly rational agent. The pr...

The problem of heavenly freedom is the apparent tension between these two claims: The blessed in heaven are free The blessed in heaven ca...