A Manual of Logic: Deductive and InductiveM. Ogle and son, 1850 - 237 sider |
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Side vi
... Propositions - Examination of Aristotle's four Modes , · SECTION III . The Opposition of Propositions - Subalternation- 89-104 104-110 Page Contrary Opposition - Sub - contrary Opposition - Contradictory vi CONTENTS .
... Propositions - Examination of Aristotle's four Modes , · SECTION III . The Opposition of Propositions - Subalternation- 89-104 104-110 Page Contrary Opposition - Sub - contrary Opposition - Contradictory vi CONTENTS .
Side 12
... four - footed . This proposition , when simply converted , becomes , some four - footed things are animals . Now , without the introduction of the word things , or beings , this last proposition would be ungrammatical ; and since by ...
... four - footed . This proposition , when simply converted , becomes , some four - footed things are animals . Now , without the introduction of the word things , or beings , this last proposition would be ungrammatical ; and since by ...
Side 26
... four legs , excluding from consideration all the other co - existing marks ; and the conception remaining in the mind , after this individual was no longer present , would be that of a four - footed animal . If he had heard the name ...
... four legs , excluding from consideration all the other co - existing marks ; and the conception remaining in the mind , after this individual was no longer present , would be that of a four - footed animal . If he had heard the name ...
Side 59
... four kinds : - 1. That which is peculiar to one species , but not univer- sally found in its contained individuals . Thus it is proper to man alone to be a physician or statesman , though all men are not so . 2. That which is predicable ...
... four kinds : - 1. That which is peculiar to one species , but not univer- sally found in its contained individuals . Thus it is proper to man alone to be a physician or statesman , though all men are not so . 2. That which is predicable ...
Side 60
... four classes the first is only an accident of the species , and cannot therefore be strictly termed a property . Every property must be applicable to all the individuals of the species , and must belong to that species necessarily , as ...
... four classes the first is only an accident of the species , and cannot therefore be strictly termed a property . Every property must be applicable to all the individuals of the species , and must belong to that species necessarily , as ...
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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...