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Comment by high_pathetic

Q: Do parallel lines intersect in Lobachevsky geometry

A: In Lobachevsky geometry, parallel lines do not intersect. This is due to the Lobachevsky Parallel Postulate, which states that, through a point not on a given line, one and only one line can be drawn parallel to the given line [1]. This differs from Euclidean geometry, where parallel lines can intersect.

Ouch.

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