Alexander Pruss's Blog

Suppose we have an infinite regress of chickens and eggs, with no first item, and suppose that if there is any last item, it’s not a chicken...

There is something attractive about an ontology where all the properties are powers, but it seems objectionable. First, a power is partly d...

In his famous critique of the ontological argument, Kant said that existence is not a property. Frege and Russell gave a very influential re...

There are two kinds of Platonism. Both hold that there are properties. But they differ as to the grounding relation that holds be...

From my first year of graduate school, I've been pushing a cannonball argument against Hume's idea that a regress of causes pr...

The Hume-Edwards-Campbell (HEC) principle says that if you have a bunch of items, and each one is explained, then the whole bunch ...

Collimating a Newtonian telescope basically means aligning the optical axis of the primary mirror with the optical axis of the eyepiece.  A...

According to bundle theory, each individual is a bundle of properties. But what is an individual? Presumably, individuals are existin...

Could everything in existence be explained by an infinite causal regress? I've argued in print that the answer is negative. ...

This has turned into a week on the liar paradox. Here is an interesting variant on the liar paradox that includes no self-reference, either ...