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Sep 14, 2017 at 12:04 answer added Ralf Schindler timeline score: 7
Aug 26, 2015 at 15:48 answer added Philip Welch timeline score: 10
Aug 23, 2015 at 0:20 comment added Miha Habič There is a proof (or at least a sketch) in these notes by Steel (Theorem 2.13).
Aug 22, 2015 at 22:41 comment added Asaf Karagila It was mentioned in a course about generic absoluteness and stationary tower forcing, and was attributed to Martin-Solovay. No concrete reference was given, or else I would have probably post it as an answer.
Aug 22, 2015 at 22:32 comment added William @AsafKaragila Do you know where I can find a proof of the result you mentioned?
Aug 22, 2015 at 15:33 comment added Asaf Karagila If my memory serves me right, a measurable implies $\Sigma^1_3$-absoluteness for forcing smaller than the measurable. So the existence of a proper class of measurable cardinals implies $\Sigma^1_3$-absoluteness.
Aug 22, 2015 at 13:19 history asked William CC BY-SA 3.0