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Property axiom of parallel lines
The definition of parallel line 1. In the same plane, two lines that do not intersect are called parallel lines. The properties of parallel lines 1. Parallel lines do not intersect (according to the definition) 2. Two lines are parallel, with the same angle 3. Two lines are parallel, with the same angle 4
A point outside a parallel line can only lead to a line parallel to it. Is that an axiom?
It's not axioms. It's theorems
(axioms do not need to be proved, nor can they be proved at the general level.)
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