| Charles Kittredge True - Logic - 1840 - 152 pages
...circle or an ellipse. But tiie earth does not move in a circle) Therefore, it moves in an ellipse. It is either spring, summer, autumn, or winter ; But it is not summer, autumn, or winter; Therefore, it is spring. 118. Disjunctive syllogisms are easily convertible... | |
| James William Gilbart - Language and languages - 1854 - 428 pages
...; but it does not move in a circle ; therefore, it moves in an ellipsis. " A disjunctive syllogism may have many members or parts : thus, It is either...but it is not spring, autumn, or winter ; therefore, it is summer. " 3. A relative syllogism requires the major proposition to be relative ; as, Where Christ... | |
| James William Gilbart - Language and languages - 1857 - 416 pages
...; but it does not move in a circle ; therefore, it moves in an ellipsis. " A disjunctive syllogism may have many members or parts ; thus, It is either...but it is not spring, autumn, or winter ; therefore, it is summer. " 3. A relative syllogism requires the major proposition to be relative ; as, Where Christ... | |
| James William Gilbart - Language and languages - 1857 - 416 pages
...; but it does not move in a circle ; therefore, it moves in an ellipsis. " A disjunctive syllogism may have many members or parts ; thus, It is either...but it is not spring, autumn, or winter ; therefore, it is summer. " 3. A relative syllogism requires the major proposition to be relative ; as, Where Christ... | |
| James William Gilbart - Logic - 1857 - 414 pages
...move in a circle ; therefore, it moves in an ellipsis. " A disjunctive syllogism may have many memhers or parts ; thus, It is either spring, summer, autumn,...but it is not spring, autumn, or winter ; therefore, it is summer. " 3. A relative syllogism requires the major proposition to be relative ; as, Where Christ... | |
| James William Gilbart - Logic - 1857 - 424 pages
...; but it does not move in a circle ; therefore, it moves in an ellipsis. " A disjunctive syllogism may have many members or parts; thus, It is either spring, summer, autumn, or winter ; hut it is not spring, autumn, or winter ; therefore, it is summer. " 3. A relative syllogism requires... | |
| John Leechman - Logic - 1864 - 248 pages
...syllogism we may say, A is either B, C, D, or E : but A is B ; therefore, it is neither C, D, nor E. Thus, It is either spring, summer, autumn, or winter : But it is spring ; therefore. It is neither summer, autumn, nor winter. CHAPTER VII. KEDtJCTION OF HYPOTHETICAL... | |
| Joseph Henry Green, Sir John Simon - Philosophy, Modern - 1865 - 376 pages
...one of them, if there be several, you may infer the truth of some one of the remaining ones; as, " It is either Spring, Summer, Autumn or Winter; but it is not Spring; therefore it is either Summer, Autumn, or Winter." By denying all but one, you will infer the truth... | |
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