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Euclid's Postulate 1
What is a postulate?
Given any two points, a straight line can be drawn joining those two points. Try moving
either point. Note that the line can always be constructed between the two points.
Note:
This postulate does not state that only one straight line can be drawn
between the two points.
Challenge:
Can more that one distinct straight line be drawn between two points?
What must one assume to state that more than one straight line can be drawn between two points?
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