Anonymous user
Talk:Railway circuit: Difference between revisions
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::::: because the two are different on the plane (not in 3D). I wonder what the task author meant. --[[User:Wherrera|Wherrera]] ([[User talk:Wherrera|talk]]) 22:03, 5 July 2022 (UTC)
:::::: I would think duplicate by reflection is pretty unambiguous. In your examples, the first pair are already identical under rotation, so if the second pair were not considered duplicates by reflection, then why do we even have that term at all? --[[User:Katzenbaer|Katzenbaer]] ([[User talk:Katzenbaer|talk]]) 22:50, 5 July 2022 (UTC)
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