If two right lines (AB, CD) be parallel to the same right line (EF), they are parallel to one another.
If two right lines (AB, CD) be parallel to the same right line (EF), they are parallel to one another.
If two right lines (AB, CD) be parallel to the same right line (EF), they are parallel to one another.
If two right lines (AB, CD) be parallel to the same right line (EF), they are parallel to one another.
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