Alexander Pruss's Blog

Are the laws of nature hyperintensional? I.e., if p and q are logically equivalent, could it be that one of them is a law of nature and th...

It is sometimes thought that Goedel’s incompleteness theorems yield an argument against materialism, on something like the grounds that we c...

Consider this plausible definition: An action is supererogatory provided that it is good but not obligatory. Now add this thesis: We h...

The Catholic Church teaches that celibacy for the sake of the Kingdom is better than marriage. Until recently, I assumed that this was celib...

A friend asked me how Berkeley can be refuted. I am fond of ethical insights as epistemically primary. Here is an ethical insight: I have a ...

Suppose at 8 am, I promised you to call you before noon, and then I didn’t, even though I have no excuse. That’s an evil. When did this evil...

One way of posing the question of diachronic identity is to ask for an explanation of facts like The x s compose the very same object at ...

Some philosophers think identity over time is brute: diachronic identity facts are not further explained. Markosian proposed (though later r...

If I intend for an event to happen, I had better intend for my action to raise the chance of the event happening. And most of the time I rai...

Waco riverwalk, Yashica 12, HPS5+

Aristotelians tend to find the following argument plausible: Every disability includes the impairment of the proper function of one or mor...

Suppose the only way to save five innocent people is by killing one innocent person. The deontologist says: you must refrain. But what you ...

I acquired a Yashica 12 medium-format TLR camera from the 1960s. (The lens hood is 3D printed, though.) I'm still learning how to use i...

Suppose I am facing the classic trolley situation: a trolley is hurtling towards five persons on the left track, but I can redirect the trol...

In my previous post, I noted that a branching view of possibility, when continued into an infinite past, leads to the counterintuitive conse...