Alexander Pruss's Blog

We like being more confident. We enjoy having credences closer to 0 or 1 . Even if the proposition we are confident in is one that is such t...

It seems that a rational agent cannot guarantee their credence in a hypothesis H to go up by choosing what observation to perform. For if n...

Warning: I worry there may be something wrong in the reasoning below. Causal Decision Theory (CDT) and Epistemic Decision Theory (EDT) tend...

In Shoemaker’s Lockean memory theory of personal identity, in the absence of fission and fusion personal identity is secured by a chain of f...

Consider Newcomb’s Paradox , and assume the predictor has a high accuracy but is nonetheless fallible. Suppose you have the character of a o...

Suppose you have a choice between a course of action that greatly increases your level of physical courage and a course of action that mildl...

In my previous post , I considered the argument against nuclear deterrence that says it’s wrong to gain a disposition to do something wrong,...

I take it for granted that all-out nuclear retaliation is morally wrong. Is it wrong (for a leader, say) to gain a disposition to engage in ...

Consider this sequence of events: Tuesday: Alice’s memory is scanned and saved to a hard drive. Wednesday: Alice’s head is completely cru...

Suppose a woman crushes the head of a very long serpent. If the snake all dies instantly when its head is crushed, then in some reference fr...

Let’s assume for the sake of argument: Aquinas’ Principle of Proportionate Causality: Anything that causes something to have a perfection ...

From time to time I’ve been playing with the question whether velocity just is rate of change of position over time in a philosophical elab...

In some video games, it feels like I am doing the in-game character’s actions and in others it feels like I am playing a character that does...

Suppose there are two opaque boxes, A and B, of which I can choose one. A nearly perfect predictor of my actions put $100 in the box that th...

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