Alexander Pruss's Blog

Consider this "easy ontology" argument: There are no unicorns. So, there are zero unicorns. So, there is a zero. This se...

I have previously speculated that the concept of spatial distance might be closely to connected to the difficulty of causally aff...

Nothing comes from nothing. Take that as a given. But a mountain's coming from molehill [note 1] , while not literally a cas...

Josh Rasmussen encouraged me to run the toy EEG while I was writing book chapter, presumably as a way to get me to make more progress on our...

I recently acquired a MindFlex EEG-based toy (on ebay, for a total of $21 with shipping), which is based on a NeuroSky ThinkGear ASIC ch...

Start with the Aristotelian thought that abstract entities are grounded in concrete ones. Add this principle: If x is grounded ...

It seems to me that the presentist can only de re refer to past (or future—but that's less of a problem) individuals if ther...

Every meaning derives from components to which intelligent beings have assigned a meaning. Some things that have a meaning tha...

I've found the notion of a material object very puzzling. Here is something that would render it less puzzling to me: x is ...

The Adams Thesis for a conditional → says that P ( A → B )= P ( B | A ). There are lots of theorems, most notably due to Lewis, that sa...

This is pretty obvious, but I never quite thought of it in those terms: The prisoners' dilemma shows the need for the virtue of trus...

Consider this anti-randomness thesis that some compatibilists use to argument against libertarianism: If given your mental state you...

Kant (on one reading) holds that the initial conditions of the universe and the laws of nature depend on us (noumenally speaking)....

I freely choose between A and B only if I am deciding in the light of a non-dominated reason for A and a non-dominated reason for B...

David Widerker has a very nice post explaining my version of the consequence argument.