Book,  Paragraph

 1   I,  5 |      in contact with the two lines can be conceived as falling.
 2  II,  4 |     of all movements. Now of lines which return upon themselves
 3  II,  4 |     Draw from the centre the lines AB, AC, and let their extremities
 4  II,  13|  only possible result on the lines of the indifference theory-but
 5 III,  1 |   clearly composes planes of lines and lines of points, so
 6 III,  1 | composes planes of lines and lines of points, so that a part
 7 III,  1 |    which asserts indivisible lines, which we may briefly consider
 8 III,  1 |   has no weight, clearly the lines have not either, and, if
 9 III,  1 |      are two ways of putting lines together, namely, end to
10 III,  1 |     putting planes together. Lines can be put together so that
11 III,  1 |   similar distinction in the lines and the points); the earthplane,