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6:50 AM
@MartinSleziak, I've added an excerpt but I don't know if it's the best one to provide. but It's in the process of being peer-reviewed. — Maths Lover 8 hours ago
I saw that you edit was rejected. I have edited the text from your suggestion into the tag-info. — Martin Sleziak 30 secs ago
Here is tag-excerpt and tag-wiki for geometric-complexity theory.
 
7:02 AM
tag. Keep? Remove?
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Q: Counting sets of implications up to equivalence

CharlesSuppose the state of the world is described by $n$ labeled propositions, and that the state is constrained by a set of 0 or more implications of the form (all of $S$ are true) implies (a proposition not appearing in $S$), where $S$ is a collection of one or more propositions. Two sets of implicat...

 
 
3 hours later…
9:51 AM
Should be added here (as the closest approximation we have to metrizable)? T4 and first countable topology that is non metrizable
I wonder whether after retagging a few posts from to new tags for first and second countable spaces and separable spaces we will find out that often 5 tags are not enough. (There are many questions where relation between two of these properties is discussed.)
So perhaps after some time we might revisit the decision made recently on meta and return back to .
 
 
7 hours later…
5:09 PM
I see that the tag has been created again.
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Q: What is the equation of a straight line?

Daniel CortildI'm reading a book named "Geometry, A comprehensive course" by Dan Pedoe at the moment. But I don't understand when they talk about the equation of a straight line... Here is what is written: The lines of our plane are sets of points which satisfy equations of the form $$a_1X_1+a_2X_2+a_3=0$...

BTW it seems that in both cases it was through a suggested edit: here and here.
To avoid edit ware, it might be better to bring the issue to meta.
@HarshKumar Since you are (probably) the tag creator, it might be useful to let you know that I brought up the tag (straight-lines) on meta. — Martin Sleziak 1 min ago
1
A: Tag management 2016

Martin SleziakThere is relatively new tag straight-lines. We have previously discussed the tags line (or lines) and planes and the consensus was that the tags are not needed: Tags for lines and planes? Should the tag straight-lines be removed too? To add more details, the tag was created a few days ago. Since...

 
 
4 hours later…
9:57 PM
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Q: Adding [contest-math] tag to questions

Martin RI noticed that the contest-math tag was added to many questions recently, even to questions which do not mention any connection to a mathematics competition. According to the tag wiki, this tag is for Problems from or inspired by mathematics competitions. Questions regarding mathematics comp...

 

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