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Image PostCircle I drew using straight lines (imgur.com)

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[–]cheapseanuts[S] -34ポイント-33ポイント  (5子コメント)

That's the point. Circles don't exist.

[–]2four 20ポイント21ポイント  (1子コメント)

They exist. They are defined in R2 by r2 = x2 + y2 where r is a constant. While it may be difficult to represent one without imperfection, they certainly exist.

[–]Actuarial 3ポイント4ポイント  (0子コメント)

But how can circles exist if our eyes don't exist?

[–]Nowhere_Man_Forever 6ポイント7ポイント  (0子コメント)

In what way? Circles exist as mathematical objects, and in the real world there are circular and spherical objects.

[–]GOD_Over_Djinn 4ポイント5ポイント  (0子コメント)

Circles exist as much as polygons exist.

[–]TotesMessenger 0ポイント1ポイント  (0子コメント)

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