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I need to write proofs for these two theorems. Space Axioms, Theorem 3: If two different lines intersect, then their union lies in exactly one plane....
I need to write proofs for these two theorems.# 1: Space Axioms, Theorem 3: If two different lines intersect, then their union lies in exactly one plane.# 2: Of any three points on a line, exactly one is between the other two.