CURED - 2017-10-08

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Martin Sleziak

09:16

@user21820 Deleted - revisions/timeline. Unstarring/unpinning.

2 hours later…

user21820

11:28

@Did @amWhy @LeakyNun @SimplyBeautifulArt: This answer is absolute nonsense. Please help to downvote and delete!

Leaky Nun

@user21820 hmm

is it because the correct conclusion from $A_1, A_2, A_3, \neg P \vdash Q, \neg Q$ should be $A_1, A_2, A_3 \vdash P$?

user21820

@LeakyNun Yes, and that's not the only issue with that answer. Note that the question asks "not because of some other proposition Q we are not even aware of?", so actually it's very irrelevant to bring up things like Russell's paradox.

Leaky Nun

@user21820 but in the case of Russell's paradox, the "some other proposition Q we are not even aware of" is the unrestricted comprehension schema...

user21820

Perhaps I'm being a bit harsh by saying absolute nonsense, so let me change that phrase to "pedagogically useless".

Leaky Nun

@user21820 it would be pedagogically more useful if you could explain what he did wrong in a comment instead of behind his back

user21820

11:34

@LeakyNun I can see that, but then we could answer every question on Math SE by saying "We can't tell the answer, because perhaps ZFC is inconsistent."

Leaky Nun

@user21820 slippery slope fallacy

user21820

I don't mind writing a comment, but I've been here long enough to know that it's usually useless. Since you ask me to, I'll try this time.

@LeakyNun: There you are:

This answer is very misleading and wrong. The question is not about ZFC. Secondly, it's not about hidden assumptions. Thirdly, LEM is the fundamental reason justifying proof by contradiction in the typical form used in textbooks, so saying that it does not help here is totally wrong. Worse still, even in an inconsistent system, LEM does hold! — user21820 13 secs ago

Leaky Nun

@user21820 thanks

I'll go now

user21820

Ok see you!

Simply Beautiful Art

12:10

2 more close votes

user21820

@SimplyBeautifulArt While it's like a PSQ, there is no evidence that the asker is trying to be unfair (such as get other people to do his/her work). So I personally would leave such posts alone.

Simply Beautiful Art

@user21820 =P

Should we delete this PSQ?

@user21820 I also wanted to ask you a question. Would you vote to close a question because you think it is an isolated problem that could not produce content particularly useful to the site?

user21820

@SimplyBeautifulArt Not at all. Sufficient context (either attempt or motivation) is enough for me. That's why I am actually lenient with soft questions compared to the majority of Math SE users. For example those asking how to learn mathematics, what resources are best, and so on.. While clearly off-topic to many people, I close both eyes hahaha..

Simply Beautiful Art

12:26

@user21820 Cool and thanks

3 hours later…

amWhy

15:46

We need two more downvotes to delete this question

1 hour later…

Simply Beautiful Art

16:52

Huh, I failed this review audit: math.stackexchange.com/review/close/882734

Anyone else disagree with it and want to vote to close?

amWhy

17:07

@SimplyBeautifulArt Did you vote to close?

(I did just now). With downvotes now, it will never again appear in the audit as an example of a question to keep open.

Simply Beautiful Art

@amWhy I did

I'm also watching @DanielFischer probably deal with some very strange user who posts the same horrendous answer repeatedly to different questions :-/

amWhy

@SimplyBeautifulArt Any post that's been downvote, or has a vote or more to close a post, is never chosen to be an audit question for "keep open". I've failed a few times.

@SimplyBeautifulArt :o

Simply Beautiful Art

@amWhy :-/

Actually, this question has attracted a lot of bad (and now deleted(?)) answers.

Very strange

:| Which has now turned into a duplicate account or whatever sort of thing that is when a user creates a new account, probably after an answer ban...

math.stackexchange.com/posts/2375969/revisions

^ Wait, how can they undelete their own post after having it deleted by the review queue?

amWhy

@SimplyBeautifulArt I was wondering the same thing!? Time to ask @DanielFischer

Simply Beautiful Art

17:22

@amWhy Well, he says he knows, but that's probably all he can say about the issue

amWhy

@SimplyBeautifulArt Ahh, okay...

Simply Beautiful Art

The review queue has dropped a lot recently

Daniel Fischer

@SimplyBeautifulArt That post had only two delete votes, and four "Recommend Deletion". That can be overridden by the author alone. If it had been deleted by three delete votes (regardless of whether from the review queue or the question page), that wouldn't have been possible, it would then have required three undelete votes [or one from a moderator] to undelete. But since undeleting answers that were deleted from the queue raises a system flag, that's not much of a problem.

Simply Beautiful Art

@DanielFischer Ah, okay

amWhy

@DanielFischer Thanks; that makes sense. Something I didn't know!

Simply Beautiful Art

17:29

@DanielFischer Do you happen to know how the recommended deletion stuff works when delete votes are involved? Like how many recommendations are needed?

Daniel Fischer

Quite often, when an author single-handedly undeletes a post deleted from review, it's after an edit, and most of the time then, the edit removed the need for deletion. Also, occasionally, a review result could be mistaken. So disallowing author-undeletion after every queue-deletion has its own drawbacks. I think the current solution (allow undeletion, but have a mod look at it) is the best option.

Simply Beautiful Art

Yeah. Any mishaps aren't bad to clean up.

Daniel Fischer

@SimplyBeautifulArt The post will be deleted when it gets three delete votes, or six (delete or recommend deletion), whichever happens first.

Or of course, author-deletion or moderator deletion.

Simply Beautiful Art

Okay. Thanks @DanielFischer

Daniel Fischer

Oh, and delete votes cast from the queue remain if the review doesn't lead to the deletion, so if a post gets two delete votes in the review, but isn't deleted from review because of sufficiently many "Looks OK", then - if the score is negative - the next 20k user coming across the post can cast the third and final delete vote without much ado.

Simply Beautiful Art

17:41

Good to know

@amWhy What do you think of this answer? math.stackexchange.com/a/2463251/272831

Daniel Fischer

@SimplyBeautifulArt Given the last sentence in the question - "Maybe it is easier to use another definition of e and show that that e also fulfils this definition?" - it looks legit to me.

Simply Beautiful Art

@DanielFischer Possibly. It also has another upvote, so I was looking for some input from others.

Daniel Fischer

Not great, but not delete-worthy, IMO.

Simply Beautiful Art

Oh, well I guess Jose decided to self-delete

Hopefully it comes back more fulfilling.

amWhy

Close?

Simply Beautiful Art

18:07

@DanielFischer Say, are there any flags raised when a user posts exact duplicate answers?

or questions for that matter

@amWhy yup

I'd also expect Smokey to have some say, but I guess not

Daniel Fischer

@SimplyBeautifulArt There's a system flag for identical answers (by the same user).

Simply Beautiful Art

@DanielFischer Ah, okay

amWhy

18:30

in 2017 Mathematics Moderator Election Chat-room, 12 mins ago, by Roddy MacPhee

I think two people picked at random could do just as good as anyone that's already a mod maybe even better.

I answered "almost surely not". Won't say anything more, so as not to escalate the commenter.

1 hour later…

amWhy

19:45

Announcement: The suspended user formerly named "BillDubuque", has changed their username to " @Number ".

Simply Beautiful Art

Low-quality PSQ has been undeleted (by Daniel) after having been deleted.

Low-quality PSQ?

Multiple questions, PSQ

^ When all the answers are flagged for being too short but noone cares to look at the main post...

I mean, they aren't great, but the reviewers are... missing something?

@DanielFischer @amWhy @others I'm not really familiar with protocol, but should we protect this question? And should we review the answers?

amWhy

20:24

@SimplyBeautifulArt Perhaps, given that an hour ago, someone with 1 rep point posted an answer (to a four-year-old question) which is now deleted. But given the spread in time, and only (three) one (nondeleted) answer, probably the attention/effort should be directed at the question, and its closure (I voted off-topic: seeking personal advice.)

3 hours later…

amWhy

23:14

@SimplyBeautifulArt Missed this list of questions earlier. One has been deleted, one is closed and open for deletion now, and the last now has two close votes. Thanks!

@SimplyBeautifulArt et al. One more downvote here to open for deletion; or we let auto-delete occur in 9 days, provide both answers remain at 0. math.stackexchange.com/questions/2463535/…

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