Alexander Pruss's Blog

Animalists hold that we are animals. It is widely accepted by animalists that if a brain were removed from a body, and the body kept ali...

Things owned can be permissibly traded, barring special circumstances. Trade in persons is never permissible. Thus, no one owns a p...

Free will is incompatible with (causal) determinism, and I know it. I know it because I have sound arguments for it, with compelli...

The bijection principle says that if we have two sets A and B and we can pair up all the objects of the two sets, then the the ...

A president exercises authority with respect to a group that includes herself. She is included in two ways. First, the common good that her ...

I was reading this interesting paper which comes up with "blackmail" stories against both evidential and causal decisio...

There is a generally familiar way in which the question whether a mathematical statement has a proof is relative to a deductive system: ...

My big kids and I are Deep Space 9 fans. Here's a Deep Space 9 station rendered in Minecraft using our modifications to Martin O'Han...

Suppose infinitely many thin arrows are independently shot at a continuous target, with hitting points uniformly distributed over...

Anecdotal data suggests that a number of people find counterintuitive the Cantorian idea that some infinities are bigger than others. Th...

Jim lives for a minute. Then he activates the time-and-space machine in his backpack, and travels to position one minute back and one meter ...

Whether a computer could feel pain shouldn't depend on fine detail of how the CPU synchronization works or whether the CPU is ...

Sally is perfectly honest, knows for sure whether there has ever been life on Mars (she's just finished an enormous amount of ...

Suppose I initially assigned probability 0.5 to p and 0.5 to ~ p . Suppose p is in fact true, and my credence in p comes to be...

In Aristotelian ontology the matter and parts of a substance get their being from their substance. But now we have a problem: we consta...