Book,  Chapter

 1      I,  II   |          of the three angles of a triangle being equal to two right
 2      I,  III  |        that the three angles of a triangle are quite equal to two right
 3      I,  III  |        that the three angles of a triangle are equal to two right ones,
 4     II,  XII  |      ideas signified by the words triangle, gratitude, murder, &c.
 5     II,  XXV  |   absolute thing, or idea. Thus a triangle, though the parts thereof
 6     II,  XXXI |          it signifies by the word triangle, supposing it to exist,
 7     II,  XXXI |            as all properties of a triangle depend on, and, as far as
 8     II,  XXXI |           very compound figure, a triangle; though it be no small number
 9     II,  XXXII|    constitution. The essence of a triangle lies in a very little compass,
10    III,  III  |           as nominal essence of a triangle; it being not only the abstract
11    III,  IX   |   ordinary meaning of seven, or a triangle? And in general the least
12    III,  XI   |      constitution or essence of a triangle does, the signification
13    III,  XI   |         be ascertained as that of triangle.~23. A reflection on the
14    III,  XI   |        substances as we have of a triangle, and so perceive how all
15     IV,  I    |        that the three angles of a triangle are equal to two right ones,
16     IV,  I    |       from, the three angles of a triangle?~3. This agreement or disagreement
17     IV,  I    |        that the three angles of a triangle are equal to two right ones,
18     IV,  I    |       that “the three angles of a triangle are equal to two right ones,”
19     IV,  I    |        that the three angles of a triangle are equal to two right ones.
20     IV,  I    |          if the three angles of a triangle were once equal to two right
21     IV,  I    |        proposition concerning one triangle or circle, his knowledge
22     IV,  I    |           be true in another like triangle, and so on: by which means
23     IV,  II   |            that a circle is not a triangle, that three are more than
24     IV,  II   |     between the three angles of a triangle and two right ones, cannot
25     IV,  II   |     because the three angles of a triangle cannot be brought at once,
26     IV,  II   |       which the three angles of a triangle have an equality; and, finding
27     IV,  II   |          ideas of the angles of a triangle, and of equality to two
28     IV,  III  |        obtuse and an acute angled triangle, both drawn from equal bases,
29     IV,  III  | proposition to be true, as that a triangle has three angles equal to
30     IV,  III  |       properties of a square or a triangle. Did we know the mechanical
31     IV,  III  |         we have of a circle and a triangle: but having no ideas of
32     IV,  III  |         the idea of a right-lined triangle necessarily carries with
33     IV,  IV   |          it true of the idea of a triangle, that its three angles are
34     IV,  IV   |        ones? It is true also of a triangle, wherever it really exists.
35     IV,  IV   |      answerable to that idea of a triangle in his mind, is not at all
36     IV,  IV   |            if a man should make a triangle with four corners, or a
37     IV,  IV   |           called it a rectangular triangle. I confess the change of
38     IV,  V    |         black, sweet or bitter, a triangle or a circle, we can and
39     IV,  VI   |       knowing the properties of a triangle, that a triangle should
40     IV,  VI   |  properties of a triangle, that a triangle should exist in any matter,
41     IV,  VII  |        form the general idea of a triangle, (which is yet none of the
42     IV,  VII  |        white is not black, that a triangle is not a circle, &c., or
43     IV,  VIII |   supposed to know before: v.g. a triangle hath three sides, or saffron
44     IV,  VIII |        idea signified by the name triangle, this is a real truth, and
45     IV,  X    |           it is impossible that a triangle should make itself three
46     IV,  X    |        repugnant to the idea of a triangle, that it should put into
47     IV,  XII  |     hypothenuse in a right-angled triangle is equal to the squares
48     IV,  XIII |       that hath got the idea of a triangle, and found the ways to measure
49     IV,  XV   |     between the three angles of a triangle, and those intermediate
50     IV,  XV   |      affirm the three angles of a triangle to be equal to two right
51     IV,  XV   |        that the three angles of a triangle are equal to two right ones,
52     IV,  XVIII|        that the three angles of a triangle were equal to two right
53     IV,  XVIII|         and the three angles of a triangle. The like holds in matter