Alexander Pruss's Blog

According to St Paul, we do not do evil that good might come of it. A plausible version of this principle is: It is wrong to in...

Say that the A-facts cs-supervene on the B-facts iff a computer simulation of the B-facts, based on the actual world's B-laws...

The following argument is valid by disjunction introduction: I won't play the lottery. I won't play the lottery or I...

(Premise) Every biologically significant purely physical event happens at the same time as a chemically significant purely phys...

Suppose that I have epistemic reason not to believe p , but a failure to believe p will likely lead to a non-epistemic bad to ano...

It would be surprising if the following argument were not already known. But I rather like the argument, so I'll post it. Accor...

Is Descartes' Cogito argument indubitably sound? Descartes tells us, basically: I think. Therefore, I am. But I can dou...

Say that an entity has "very high value" provided that it is wrong to destroy that entity for the sake of any good less ...

Here is a proposal. It can't be right—it's too messy and ad hoc —but it matches my intuitions about how conditionals are...

Justification consists in God's forgiveness of our sins. What does this forgiveness consist in? At least partly in the takin...

I am actually kind of suspicious that there is a subtle problem with my conditional probabilities in the following argument. It...

Suppose there is an infinite line of paving stones, labeled 1, 2, 3, ..., on each of which there is a blindfolded person. You are...

For simplicity, suppose all utilities are commensurable. No finite amount of utility justifies killing a being with moral standing. ...

I was yesterday struck by a dimension of the parable of the prodigal son that I hadn't noticed before: prayer. The younger so...

Occasionally, I've been offering theistic arguments that border on begging the question. Here, for instance, is one that's bas...