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> Thus our universe has to be "fine-tuned" for us to exist because we do.

Because we of course do not exist in this universe because we're fine tuned to exist in it.

I can't think of a better way to describe it than the late Douglas Adams did :

“This is rather as if you imagine a puddle waking up one morning and thinking, 'This is an interesting world I find myself in — an interesting hole I find myself in — fits me rather neatly, doesn't it? In fact it fits me staggeringly well, must have been made to have me in it!' This is such a powerful idea that as the sun rises in the sky and the air heats up and as, gradually, the puddle gets smaller and smaller, frantically hanging on to the notion that everything's going to be alright, because this world was meant to have him in it, was built to have him in it; so the moment he disappears catches him rather by surprise. I think this may be something we need to be on the watch out for.”



Bad analogy. A puddle is a local system, governed by local random conditions (e.g. the sun as in that example)

The strong anthropic principle makes a statement about the fine tuning of the one and only, non-random, system that governs all systems.

I.e. the rudimentary physics & chemistry that happens to favours determine carbon based life generally.


That's such a deep thought for a shallow puddle.




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