| John Ward (of Chester.) - Mathematics - 1728 - 476 pages
...CoroBary. Hence it follows, that if Three, Four, or never fo many Parallel-lines, are cut or crofs'd-by one Right-line, all their Oppofite Angles will be Equal....Angles of every plain Triangle, are Equal to Two Right- AKghs; (]2. ei) Coxfequently, any Two Angles of any plain Triangle mufl needs le Lefsihan Two Right-... | |
| John Ward - Mathematics - 1747 - 492 pages
...Corollary. Hence It follows, that if three, four, or ever fo many Parallel-lines, are cut or cfofs'd by one Right-line, all their oppofite Angles will be equal....three Angles of every plain triangle are equal to twa Right-angles 4 (32. t. I.) Cenfequentfy, any two Angles of any plain Triangle mufl needs Is left... | |
| John Ward (of Chester.) - Mathematics - 1747 - 516 pages
...Corollary. Hence it follows, that if three, four, or ever fo many Parallel lines, are cut or crofs'd by one Right-line, all their oppofite Angles will be equal. THEOREM iv. The three Anglet of every plain Triangle an equal to two Right-angle: v (32- '• !'). any two Angles if any... | |
| Alexander Jamieson - Logic - 1835 - 312 pages
...conviction of. a truth may be irresistible, and yet not immediate. llhis. 1. Thus, my conviction that the three angles of every plain triangle are equal to two right angles, is irresistible, but it is not immediate. I am convinced of it by demonstrative reasoning. 2. Our belief... | |
| Alexander Jamieson - Logic - 1837 - 312 pages
...conviction of a truth may be irresistible, and yet not immediate. lllvs. 1. Thus, my conviction that the three angles of every plain triangle are equal to two right angles, is irresistible, but it is not immediate. I am convinced of it by demonstrative reasoning. 2. Our belief... | |
| 1845 - 616 pages
...extreme accuracy required, and happily attained, in such works as those in question. Every one knows that the three angles of every plain triangle are equal to two right angles. But this is not so in regard to spherical triangles. If, for example, we look at a common globe, and... | |
| Thomas Reid - 1846 - 1080 pages
...[110] The conviction of a truth may be irresistible, and yet not immediate. Thus, my conviction that the three angles of every plain triangle are equal to two right angles, is irresistible, but it is not immediate ; I am convinced of it by demonstrative reasoning. There are... | |
| India - 1848 - 618 pages
...extreme accuracy required, and happily attained, in such works as those in question. Every one knows that the three angles of every plain triangle are equal to two right angles. But this is not so in regard to spherical triangles. If, for example, we look at a common globe, and... | |
| Thomas Reid - Intellect - 1850 - 522 pages
...whatsoever. The conviction of a truth may be irresistible, and yet not immediate. Thus, my conviction that the three angles of every plain triangle are equal to two right angles, is irresistible, but it is not immediate : I am convinced of it by demonstrative reasoning. There are... | |
| George Alexander Johnston - Philosophy - 1911 - 284 pages
...whatsoever. The conviction of a truth may be irresistible, and yet not immediate. Thus, my conviction that the three angles of every plain triangle are equal to two right angles, is irresistible, but it is not immediate ; I am convinced of it by demonstrative reasoning. There are... | |
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