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S Mar 26 at 8:09 history bounty ended Kripke Platek
S Mar 26 at 8:09 history notice removed Kripke Platek
Mar 26 at 8:09 vote accept Kripke Platek
Mar 25 at 1:01 answer added Joel David Hamkins timeline score: 5
Mar 24 at 19:49 comment added Steven Stadnicki Doesn't Rice's theorem here mean that there is no way, given an algorithm as input, of doing what you want?
Mar 24 at 19:30 history edited Alex Ravsky
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Mar 22 at 16:45 comment added YCor OK. Note this is indeed a bit unusual to input an algorithm.
Mar 22 at 14:52 comment added Kripke Platek @YCor Yes. By "effectively decide" I meant "compute".
Mar 22 at 12:57 comment added YCor What does "effectively" mean here? do you mean, an algorithm whose input is an algorithm computing $E$ (i.e., telling whether an element is or is not in $E$), and whose output is whether $E$ is "constructable"?
S Mar 22 at 9:30 history bounty started Kripke Platek
S Mar 22 at 9:30 history notice added Kripke Platek Draw attention
S Mar 10 at 17:29 review First questions
Mar 10 at 20:50
S Mar 10 at 17:29 history asked Kripke Platek CC BY-SA 4.0