Alexander Pruss's Blog

Some moral permissibility facts are logically trivial: it permissible to eat a morally appropriate breakfast. And maybe some mor...

Mark Murphy has closed the comments period on his letter to the APA (which follows a petition and a counterpetition ), and he is collecting...

Do deniers of qualia have qualia? Suppose I believe in qualia (I am not committed either way). If Martha is a denier of qualia, ...

The following question is probably very naive: If qualia are causally inefficacious, then how can I know that I experience any qua...

Take Jackson's story: Mary is raised in a black and white setting, never experiencing red. She learns all there is to know ab...

Here is an argument for the generally accepted thesis that knowledge-how is different from knowledge-that. Knowledge-that comes h...

I've never quite got the Phaedo 75 "equality" argument. The point is made that whenever we have two equal things ...

This post is based on a slight expansion of an analogy I once read in the New Oxford Review . Consider three cases: Fred throws se...

1. Let's suppose for simplicity that miracles would violate of laws of nature. Consider then a "modernized" version ...

While teaching logic for the first time (I am teaching to graduate students, but I haven't taught any logic before), I've...

Some people prefer to talk of divine inspiration of Scripture instead of Scriptural inerrance, because they think this way they ca...

Consider the following BASIC computer program: input a input b print a+b I run the program, and it pauses for input. I press...

There is something to be said for an irrefutable theory: It can't be refuted. [This isn't quite a tautology, because ...

Here is a quick, and no doubt well-known, argument that mental states are not token-token identical with brain states. The argument m...

No matter how much we strain our eyes, we will not see the invisible.