1
2
3
4
5
6
vector
(
A:
Point
,B:
Point
)
vector
(
s:
Segment
)
vector
(
p:
Plane
)
[a,b,c,d]a,b,cdax+by+cz+d=0
vector
(
r:
Line
)
vector
(
p:
Permutation
)
vector
(
A:
Point
)
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