 | Peter Nicholson - 1828 - 276 σελίδες
...straight lines AF and BD, and consequently making the angle at G equal to the A angle FAC ; and since the three angles of every triangle are equal to two right angles, and since the angles FAC, CAB, BAE, are also equal to two right angles, and since FAC is equal to the... | |
 | Edward Shaw - 1832 - 244 σελίδες
...straight lines AF and BD, and consequently making the angle at G equal to the angle FAC ; and since the three angles of every triangle are equal to two right angles, and since the angles FAC, CAB, BAE, are also equal to two right angles, and since FAC is equal to the... | |
 | 1832 - 510 σελίδες
...There are some, of which we can say that we know them ; others, that we believe them. We know that the three angles of every triangle are equal to two right angles. We do not doubt that there is such a country as England, and that such a king as Henry VIII. formerly... | |
 | Charles Pettit McIlvaine - 1832 - 534 σελίδες
...certainty. In mathematical reasoning, our knowledge is greater than our ignorance. When you have proved that the three angles of every triangle are equal to two right angles, there is an end of doubt, because there are no materials for ignorance to work up into phantasms ;... | |
 | John Mitchell Mason - 1832 - 458 σελίδες
...certainty. In mathematical reasoning our knowledge is greater than our ignorance. When you have proved that the three angles of every triangle are equal to two right angles, there is an end of doubt ; because there are no materials for ignorance to work up into phantoms ;... | |
 | Charles Pettit McIlvaine - 1832 - 534 σελίδες
...certainty. In mathematical reasoning, our knowledge is greater than our ignorance. When you have proved that the three angles of every triangle are equal to two right angles, there is an end of doubt, because there are no materials for ignorance to work up into phantasms; but... | |
 | Charles Pettit McIlvaine - 1832 - 534 σελίδες
...In mathematical reasoning, our knowledge is greater than our ignorance. 'When you have proved that the three angles of every triangle are equal to two right angles, there is an end of doubt, because there are no materials for ignorance to work up into phantasms; but... | |
 | 1835 - 612 σελίδες
...certainty. In mathematical reasoning our knowledge is greater than our ignorance. When you have proved that the three angles of every triangle are equal to two right angles, there is an end of doubt ; because there are no materials for ignorance to work up into phantoms; but... | |
 | Christian, Thomas Jackson - 1837 - 318 σελίδες
...certainty. In mathematical reasoning our knowledge is greater than our ignorance. "When you have proved that the three angles of every triangle are equal to two right angles, there is an end of doubt; because there are no materials for ignorance to work up into phantoms; but... | |
 | Andrew Bell - 1837 - 290 σελίδες
...; any two of its opposite angles are together equal to two right angles. Join AC, BD ; and because the three angles of every triangle are equal to two right angles (1. 32), the three angles of the triangle CAB, namely, the angles CAB, ABC, BCA, are equal to two right... | |
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When you have proved that the three angles of every triangle are equal to two right angles... 
