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Typhon
Typhon
01:56
Received a downvote here
1
Q: Is there a surface we know of that fulfills all of Euclid's postulates but has a negation of the first postulate or the fourth postulate?

TyphonThe way I view Euclid's postulates are as follows: A line segment can be made between any two points on surface A. A line segment can be continued in its direction infinitely on surface A. Any line segment can form the diameter of a circle on surface A. The result of an isometry upon a figure c...

geometry surfaces
Could someone clarify how properties of surfaces are "opinion based"? I don't see where one's opinion is needed to tell whether or not a system satisfies certain axioms.
amWhy
amWhy
02:17
@Typhon I don
Typhon
Typhon
02:39
@amWhy i think you might've cut your message off or something. Not 100% sure what you are trying to say. :-)
 
1 hour later…
user131753
03:52
@Typhon: Maybe the downvote was due to the same reason for which you voted to close?
Typhon
Typhon
04:26
@user170039 But there isn't anything I can detect that is wrong with the post, nor was there when it was closed. It baffles me.
:/
user131753
@Typhon: Then why did you voted to close?
Typhon
Typhon
@user170039 because it was an old unanswered question that had received downvotes. Aren't all questions supposed to get reviewed at some point to ensure that only the best posts clog up SE's hardrives?
@user170039 sorry. You're right. It's junk. I'll quit asking about it.

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