Alexander Pruss's Blog

In the previous post, I offered a criticism of defining logical consequence by means of proofs. A more precise way to put my criticism would...

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...

“Water” and “H 2 O” don’t mean the same thing in ordinary English: it is not a priori that water is H 2 O. But I suspect that when a chemis...

The typical examples of vagueness in the literature are ones where it is vague whether a subject has a property (e.g., vagueness) or whether...

I just sent out an email to two philosophers whose first name was "John" and the email's first line said "Dear Joh...

If I were a better football player than everybody else, I would be very strong. If everyone else were a worse football player ...

I will use " p → q " for the indicative conditional "if p , then q ". I will use " p ⊃ q " for the mate...