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  • 4 years ago

Need a proof for: If l is any line, then there exists at least one point P such that P does not lie on l.

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  1. anonymous
    • 4 years ago
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    Using the incidence geometry axioms 1. for every pair of distinct points P and Q there exists exactly one line such that both P and Q lie on l. 2. For every line l there exist at least two distinct points P and Q such that both P and Q lie on l. 3. There exist three points that do not all lie on any one line.

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