A Manual of Logic: Deductive and InductiveM. Ogle and son, 1850 - 237 sider |
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Side ix
... principles , and structure of arguments , it teaches us how to discover their truths , or detect their fallacies , and point out the sources of such errors . It is an art , inasmuch as it teaches us to arrange arguments in such a manner ...
... principles , and structure of arguments , it teaches us how to discover their truths , or detect their fallacies , and point out the sources of such errors . It is an art , inasmuch as it teaches us to arrange arguments in such a manner ...
Side 49
... principles ; that is , that genera and species are not mere con- ceptions of the mind , but have an independent existence in nature . Like most of the scholastic definitions , they are simple , clear , and terse , and not likely to be ...
... principles ; that is , that genera and species are not mere con- ceptions of the mind , but have an independent existence in nature . Like most of the scholastic definitions , they are simple , clear , and terse , and not likely to be ...
Side 58
... principles of Aristotle and Porphyry , a generic property can only be regarded as a property with respect to the highest species of which it is predi- cable . As regards all subordinate species , it must be considered as an accident ...
... principles of Aristotle and Porphyry , a generic property can only be regarded as a property with respect to the highest species of which it is predi- cable . As regards all subordinate species , it must be considered as an accident ...
Side 66
... principle of the relations , and the things related , called correlatives , e . g . , the consideration of master implies servant , and of pastor , flock , & c . Place ( answering to the question Ubi ? ) includes all the modifications ...
... principle of the relations , and the things related , called correlatives , e . g . , the consideration of master implies servant , and of pastor , flock , & c . Place ( answering to the question Ubi ? ) includes all the modifications ...
Side 72
... principle . " This rule has particular reference to the point of view in which we are to consider the whole to be divided , e . g . , animals may be divided on one principle ( fundamentum divisionis ) into rational and irrational , on ...
... principle . " This rule has particular reference to the point of view in which we are to consider the whole to be divided , e . g . , animals may be divided on one principle ( fundamentum divisionis ) into rational and irrational , on ...
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abstraction accidental accidents agree animal antecedent argument Aristotle asserts attribute cate categorical proposition Celarent cloth clusion common term conception conclusion consequent considered constitutes contradictory contraposition converse converted simply convertend copula Darii definition denotes differentia disjunctive disjunctive proposition disjunctive syllogism distributed divided division Dr Brown's Edition enthymeme essence excluded existence expressed extension fallacy false Ferio flowers fourth figure generalisation genus gisms Hence implied inductive inference infima judgment kinds Laws of Thought legitimate logical logicians major premiss major proposition major term matter means metaphysical middle term mind minor term modality moods nature negative proposition notion noun nouns substantive objects particular affirmative particular negative planet proprium reasoning reduced reducend relation rules second figure sense signifies simply convertible singular sion sorites species subaltern subject and predicate substance things third figure tion tive triangle true truth universal affirmative universal negatives universal proposition universal term virtue vols whole words
Populære avsnitt
Side 139 - Again ; the mathematical postulate, that " things which are equal to the same are equal to one another," is similar to the form of the syllogism in logic, which unites things agreeing in the middle term.
Side 46 - There are not some names which are exclusively genera, and others which are exclusively species or differentiae; but the same name is referred to one or another Predicable, according to the subject of which it is predicated on the particular occasion. Animal, for instance, is a genus with respect to Man or John ; a species with respect to substance or Being. The words genus, species, &c., are therefore relative terms ; they are...
Side 46 - It is to be remarked of these distinctions," says the author we are quoting, " that they express not what the predicate is in its own meaning, but what relation it bears to the subject of which it happens on the particular occasion to be predicated.
Side 201 - But Euathlus retorted this dilemma, thus : ' Either I shall gain the cause, or lose it : if I gain the cause, then nothing will be due to you, according to the sentence of the judge ; but if I lose the cause, nothing will be due to you...