AreCollinear Command

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AreCollinear( <Point>, <Point>, <Point> )
Decides if the points are collinear.

Normally this command computes the result numerically. This behavior can be changed by using the Prove command.

Example: AreCollinear((1, 2), (3, 4), (5, 6)) yields true since all the three points lying on the same line.
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