Can a Line Be Parallel to Itself?

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Ajit Kumar
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Can a line be parallel to itself?
 
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Welcome to PF;
... to answer your question, 1st write down the definition of "parallel".
 
Ajit Kumar said:
Can a line be parallel to itself?

Yes, every line is parallel to itself.
 
parallelism is reflexive and is an equivalence relation.
 
thanks for your answers