<Dl> <Dd> (d l + l 0 − p 0) ⋅ n = 0 . (\ displaystyle (d \ mathbf (l) + \ mathbf (l_ (0)) - \ mathbf (p_ (0))) \ cdot \ mathbf (n) = 0 .) </Dd> </Dl> <Dd> (d l + l 0 − p 0) ⋅ n = 0 . (\ displaystyle (d \ mathbf (l) + \ mathbf (l_ (0)) - \ mathbf (p_ (0))) \ cdot \ mathbf (n) = 0 .) </Dd> <Dl> <Dd> d l ⋅ n + (l 0 − p 0) ⋅ n = 0 . (\ displaystyle d \ mathbf (l) \ cdot \ mathbf (n) + (\ mathbf (l_ (0)) - \ mathbf (p_ (0))) \ cdot \ mathbf (n) = 0 .) </Dd> </Dl> <Dd> d l ⋅ n + (l 0 − p 0) ⋅ n = 0 . (\ displaystyle d \ mathbf (l) \ cdot \ mathbf (n) + (\ mathbf (l_ (0)) - \ mathbf (p_ (0))) \ cdot \ mathbf (n) = 0 .) </Dd>

Name the intersection of plane p and ab