Eliezer_Yudkowsky comments on You only need faith in two things - Less Wrong

22 Post author: Eliezer_Yudkowsky 10 March 2013 11:45PM

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Comment author: Eliezer_Yudkowsky 11 March 2013 05:59:38PM 3 points [-]

To amplify on Qiaochu's answer, the part where you promote the Solomonoff prior is Bayesian deduction, a matter of logic - Bayes's Theorem follows from the axioms of probability theory. It doesn't proceed by saying "induction worked, and my priors say that if induction worked it should go on working" - that part is actually implicit in the Solomonoff prior itself, and the rest is pure Bayesian deduction.

Comment author: sullyj3 31 July 2015 03:58:26PM *  0 points [-]

Doesn't this add "the axioms of probability theory" ie "logic works" ie "the universe runs on math" to our list of articles of faith?

Edit: After further reading, it seems like this is entailed by the "Large ordinal" thing. I googled well orderedness, encountered the wikipedia article, and promptly shat a brick.

What sequence of maths do I need to study to get from Calculus I to set theory and what the hell well orderedness means?