Alexander Pruss's Blog

Suppose I think of myself as shaped like a four-dimensional spacetime worm. We draw diagrams of such things for students—a wide ...

Some scientific explanation is non-causal. For instance, we can explain the hyperbolic cosine shape that a rope suspended at bo...

Consider two random processes, R 1 and R 2 . Process R 1 randomly and uniformly chooses a real number between 0 and 1, with each nu...

I've been musing—nothing I care about rides on this—about this kind of case. Let's say that I have ten independent pieces...

Standard memory theories of personal identity says that what is necessary and sufficient for identity is a chain of memories (or,...

Cappelen has recently defended (see a chapter here ) a "no-assertion" theory on which there is no special speech act of ...

J.R.R. Tolkien, in On Fairy-Stories , writes: Supernatural is a dangerous and difficult word in any of its senses, looser or stricter. But...

We have special duties, independent of communal enactments, to take care of our siblings, precisely because they are siblings. ...

Traditional Christian thought holds that God could have refrained from creating. But this is puzzling. Whatever God does he does...

The kind of fantasy and science fiction that I like describes a possible world as it were from the inside (i.e., the sentences ar...

[ Note: In the original version of this post, I made the embarrassing false claim that relevance logic denies disjunction introducti...

Can it be vaguely true that God believes p ? Maybe not. For if it's vaguely true that God believes p , then God is unable to...

Tarski's T-schema says that for any sentence " s ": " s " is true if and only if s . Suppose that " s ...

Some people think that to assert a proposition you need to grasp it. I think they are mistaken. Suppose my wife asks me: "Can you t...

I got this in the mail.  It should be a really good book. Dear Colleagues,   What is sex and why is it important?  Does marriage have...