Interoperable interactive geometry for Europe
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line_through_two_points(l,A,B) <=> l is a line, A belongs to l and B belongs to l

(assumes A different from B)

If the two points are equal, the line is undefined.

Do not confuse this symbol with line_through_point.


  1. line through two points example: source JSXGraph
  2. parabola defined as locus example: source JSXGraph
  3. intersection of circles and line example: source JSXGraph
  4. other intersections of circles and line example: source JSXGraph