| Colin Macfarquhar, George Gleig - 1797
...truth or falfchood of which there is not fufficient evidence tu produce fcience or abfolute belief **That the three angles of a plane triangle are equal to two right angles,** is not a matter of opinion, вог сал it with propriety be called an objeci of the mathema•foot... | |
| Thomas Reid, Dugald Stewart - 1803
...fpecies, the propofition is more or lefs extenfive, according as the fubject is. Thus when I am taught, **that the three angles of a plane triangle are equal to two right angles,** this property extends to every fpecies of plane triangle, and to every individual plane triangle that... | |
| 1805
...binu that there are any qualities in a magnet which neceff'arlfy produce thefe «¡itfis, as we blow **that the three angles of a plane triangle are equal to two right angles.** The magnet may it the mero inJlrumcnt of fome invifiblc power, as an axe is the infiniment by which... | |
| Encyclopaedia Britannica - 1810
...truth or falfehood of which there is not fufficicnt evidence to produce fcience or abfokite belief. **That the three angles of a plane triangle are equal to two right angles,** is not a matter of opinion, nor can it with "ropriety be called an obje£t of the mathematician's belief:... | |
| Jeremiah Day - 1815 - 126 pagine
...are always equal to 180°. The angles BCA and BCG are together equal to two right angles. 79. Cor. As **the three angles of a plane triangle are equal to two right angles,** that is, to 180° (Euc, 32. 1.) the' sum of any two of them is the supplement of the other. So that... | |
| Jeremiah Day - 1815 - 96 pagine
...arc always equal to 180°. The angles BCA and BCG are together equal to two light angles. 79. Cor. As **the three angles of a plane triangle are equal to two right angles,** that is, to IS0* (Euc. 32. 1.) the- sum of any two of them is the supplement of the other. So that... | |
| 1823
...truth or falsehood of which there is not sufficient evidence to produce science or absolute belief. **That the three angles of a plane triangle are equal to two right angles,** is not a matter of opinion, nor can it with propriety be called an object of the mathematician's belief:... | |
| Jeremiah Day - 1824
...are always equal to 180°. The angles BCA and BCG are together equal to two right angles. 79. Cor. As **the three angles of a plane triangle are equal to two right angles,** that is, to 180° (Euc. 32. 1.) the sum of any two of them is the supplement of the other. So that... | |
| Thomas Reid - 1827
...species, the proposition is more or less extensive, according as the subject is. Thus, when I am taught **that the three angles of a plane triangle are equal to two right angles,** this property extends to every species of plane triangle, and to every individual plane triangle that... | |
| Thomas Curtis - 1829
...or falsehood of which there is not sufficient evidence to produce science or absolute belief. That **three angles of a plane triangle are equal to two right angles** is not a matter of opinion, nor can it with propriety be called an object of the mathematician s belief... | |
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