Alexander Pruss's Blog

Here's a fun little puzzle for introducing some issues in decision theory. You want to invest a sum of money that is very lar...

Every omnipotent being is perfectly free. Every perfectly free being knows every fact and is not wrong about anything. Therefore, ev...

This isn't philosophy, but I've been having fun with sciencey (sciency?) things. I just did this little demonstration for my five-...

Vatican II gives a very hierarchical account of unity in the Church: This collegial union is apparent also in the mutual relati...

Cognitivist normative moral relativism is the thesis that for all x and A : x morally ought to A if and only if x believes that she ...

I stayed up to watch the lunar eclipse.  It was quite nice.  I took the kids out for the grand finale. I also took a whole bunch of ph...

I love fixing things. I just fixed two keys on my phone, by scrubbing the contacts out with acetone on a toothpick. Since last n...

(Premise) Humans have intrinsic goods that do not reduce to pleasure. (Premise) If there are intrinsic proper functions in hum...

(Premise) It is wrong to euthanize a patient who does not give valid consent for euthanasia. (Premise) Valid consent is not th...

The following policy pattern is common.  There is a risky behavior which a portion of a target population engages in.  There is no consensus...

(Premise) If x chooses A , then x chooses A over some alternative B such that x deliberated over both A and B . (Premise)...

Suppose that some random process C selects uniformly a random number in the interval [0,1] . Let C* be a process just like C, except that i...

Defining deterministic causation is tough. Standard definitions of "causal determinism" do not do justice to the causal...

Consider this sketchy argument against libertarianism: It is impossible for God to choose wrongly. But freedom requires the ability ...

Right now, I am making all sorts of choices. For instance, I just chose to write the preceding sentence. When I made that choice, it...