Necessary premises

In another thread, WJM has frequently made arguments similar to this:

As I have said repeatedly, premises that support one’s arguments are only necessary if one wishes to develop a rationally coherent worldview. One is always, of course, free to believe whatever they wish – rationally justifiable or not.

Several of the other participants in the discussion have found such statements to be unsatisfying.  This post is intended as a place where we might hope that WJM will fill in some of the gaps.

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Empiricism vs. Rationalism

In another thread, WJM writes:

Also, when I say I must accept such a prioris in order to even hope to deliberately establish a rational worldview, that means that without such premises, reason (logic) itself breaks down into nonsense.

WJM is laying out the case for rationalism.  Typically, rationalism is described as assuming innate knowledge.  However, some instead assume a priori knowledge.  Thanks to WJM, I now have an inkling on what might be intended by “a priori knowledge.”

The opposing philosophical position is that of empiricism, that knowledge comes through the senses.  Most of those posting here (self included) seem to be empiricists, while WJM is clearly standing for some version of rationalism.

This is intended as a stub topic, to allow comments specifically addressing the rationalism vs. empiricism debate.

William Lane Craig

is on a debate tour of Britain.  Apparently Polly Toynbee pulled out of debating him.  I heard on Uncommon Descent that a replacement had been found. (I’d emailed WLC to volunteer myself! – but I guess it has to be Somebody.)

I’m starting this thread to house any comments about the tour and the debate.

Religion’s misguided missiles

Nearly ten years ago, on the 15th September, 2001, I read this piece in the Guardian, by Richard Dawkins.

I was a theist then, a catholic, in fact, by conversion, in my early twenties, having been baptized in the Episcopal Church of Scotland, sung at matins every Sunday until from age 8 to 11, sent to a Quaker boarding school, where I was devout, if rebellious, and became a Friend, later being confirmed at a High Church Anglican church in Devon, and finally, having married a catholic, feeling I had “come home” to the catholic church.

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Remainders

Ilion, a regular poster at Uncommon Descent, linked to an argument for God that he makes on his blog, here. I found it interesting because it was exactly the argument (though more succinctly expressed, I think) that kept me a theist for most of my life):

The reality of minds in a material world (thus, every human being who has ever existed) is proof that atheism is false. If atheism were indeed the truth about the nature of reality, then we would not — because we could not — exist. But we do exist. Therefore, atheism is not the truth about the nature of reality.

 

My position was that as every one of us (I assume) has the experience I have of being aware – being a mind – and thereby of being a unique self – there must be something unique to me, that inhabits me, that is not simply a material body, which, I assumed, could carry on perfectly well, zombie-fashion, were that essential self to go on vacation for a bit. Which made an after-life perfectly reasonable: (I knew my body would cease to function, but as my self seemed to be unarguably independent of the body it inhabited, there seemed no reason to assume that it would not continue to exist independently once that body ceased to function). Continue reading

The Two Lizzies

I wrote this story a while back, and posted it on a couple of forums.  But I often find I need to link to it (it was written to make a point!) so I’m reposting it here.  Hoping it might generate some discussion 🙂

 

The Two Lizzies

Lizzie was a single mum, with a one-year daughter, Beth. Lizzie wanted to get back to her job in neuroscience – she’d left tantalizing data unanalyzed – but she loved her daughter, and wanted to give her a good start in life.

Lizzie heard about an experimental technique, whereby she could be in two places at once. Perfect! She thought. I can stay at home with Beth AND go back to work.

Lizzie made an appointment for the procedure. She was told that she would undergo a whole body scan under anaesthetic, and every atom in her body would be identified and located. Then a random half would be selected and displaced one meter to her left, making two sparse copies of Lizzie. Fresh atoms, identical to those missing from each copy would then be added, resulting in two identical Lizzies where there had once been one.
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