Would a question that is not addressed in usual standard texts on a subject and which remains unanswered on MSE be on-topic on Mathoverflow?
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16$\begingroup$ It depends on the question! $\endgroup$– Mariano Suárez-ÁlvarezNov 1, 2013 at 18:27
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$\begingroup$ Was concerned that maybe seen as asking allow level question, but perhaps can take a chance. $\endgroup$– SudhirNov 1, 2013 at 18:46
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5$\begingroup$ Hm? My point is that to be able to tell if the question is on-topic here or not you should tell us what the question is. How else can we tell? $\endgroup$– Mariano Suárez-ÁlvarezNov 1, 2013 at 18:52
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5$\begingroup$ Well, it's good that you ask, because it seems as if a lot of people suppose that if a question hasn't been answered at MSE, then it's time to ask it at MO. In many cases that's just not so, and I wish that more people would look around MO a little first, to get a sense of the place and see if MO would be a good fit for their questions before they ask. $\endgroup$– Todd Trimble ModNov 1, 2013 at 19:54
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$\begingroup$ @mariano:i agree , I should have given a link to the question. $\endgroup$– SudhirNov 2, 2013 at 6:56
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$\begingroup$ @todd:some questions one does not get a satisfactory resolution; they continue to bother. $\endgroup$– SudhirNov 2, 2013 at 8:02
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$\begingroup$ Sudhir: I understand. Of course you're welcome to try at MO -- we'll take a look -- but receiving an insufficient answer at MSE is not by itself a sufficient reason for keeping it open at MO. $\endgroup$– Todd Trimble ModNov 2, 2013 at 11:30
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$\begingroup$ @todd:thanks for that though I want to think carefully in the light of Andy's answer.iam sill trying to figure out why ' if in propositional calculus only a contradiction can tautologically imply an infinite number of sentence symbols, then how do we postulate the existence of precisely such a sentence in FOL' is not a clear enough question.Anyway the question is on MSE and if I feel more sure or more confident, I will venture into MO. $\endgroup$– SudhirNov 3, 2013 at 10:13
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If you are referring to the two questions that you asked on math.SE (namely this and this), then I don't think that either of them is appropriate for MO. I think that they haven't been answered on math.SE largely because it is pretty unclear what you are asking, but it looks to me like both of them are questions about very elementary undergraduate logic, and thus would not be right here.
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$\begingroup$ Oh well i jumped the gun. Let me see if I can delete the question. $\endgroup$– SudhirNov 1, 2013 at 19:10
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$\begingroup$ Well, managed to delete the question here, though an answer still eludes me.i may also sayI did not find the question of information content of a mathematical axiom discussed particularly in any text book that I have read. $\endgroup$– SudhirNov 1, 2013 at 19:28