A Text-book of Deductive Logic: For the Use of StudentsMacmillan, 1886 - 311 sider |
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Side 17
... words , the element of time or change has no place in Deductive Logic . § 2 ... term B be true of the in- dividual thing A , then the term not - B cannot ... Middle . It means that two contradictory terms , B and not - B , cannot both ...
... words , the element of time or change has no place in Deductive Logic . § 2 ... term B be true of the in- dividual thing A , then the term not - B cannot ... Middle . It means that two contradictory terms , B and not - B , cannot both ...
Side 18
... term not - B must be true of it ; if the term not - B be not true of it , then B must be true of it . In other words ... Middle , both of them cannot be false , that is , one must be true . Of the two contradictory propositions , ' A is B ...
... term not - B must be true of it ; if the term not - B be not true of it , then B must be true of it . In other words ... Middle , both of them cannot be false , that is , one must be true . Of the two contradictory propositions , ' A is B ...
Side 19
... Middle , and the other must be false by the Principle of Contradiction . We have taken above A to mean an individual thing , one and the same thing ; and , in that case , two contradictory terms B and not - B cannot both be either true ...
... Middle , and the other must be false by the Principle of Contradiction . We have taken above A to mean an individual thing , one and the same thing ; and , in that case , two contradictory terms B and not - B cannot both be either true ...
Side 20
... Middle ) ; one must be false , and the other true . If all the things belonging to the class A are , however ... term , proposition , or argument , the thought expressed by it , or its meaning and import may be stated in any other form of ...
... Middle ) ; one must be false , and the other true . If all the things belonging to the class A are , however ... term , proposition , or argument , the thought expressed by it , or its meaning and import may be stated in any other form of ...
Side 21
... Middle , Mill gives the postulate that it is allowable " to sub- stitute for ... term , before describing its logical charac- ters . Still less is the remark ... term , and , in the case of an ambiguous term , to recognize its different ...
... Middle , Mill gives the postulate that it is allowable " to sub- stitute for ... term , before describing its logical charac- ters . Still less is the remark ... term , and , in the case of an ambiguous term , to recognize its different ...
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A Text-book of Deductive Logic: For the Use of Students P. K. Ray,Prasanna K. Ray Uten tilgangsbegrensning - 1886 |
A Text-book of Deductive Logic: For the Use of Students P. K. Ray,Prasanna K. Ray Uten tilgangsbegrensning - 1886 |
Vanlige uttrykk og setninger
abstract terms accidens affirmed or denied animal antecedent applicable assertory attri attribute connoted axioms belong called categorical propositions categorical syllogism circle co-existence collection of attributes College concepts concrete consists contrapositive converse copula corresponding Deductive Logic definition differentia disjunctive proposition Edited elements example excluded existence expressed fallacy false falsity figure former genus given proposition gives rise Hamilton heat hypothetical proposition immediate inference implies individual thing Inductive Inductive Reasoning judgment latter laws of thought logicians major premiss many-worded material bodies meaning men are mortal metals middle term Mill's minor mortal negative not-A not-B not-P objects of thought obverse particular phenomena phenomenon possessed predicate principles probability quantity rational reasoning regarded relation represented rules signified Similarly singular sition species subalternation subcontrary subject and predicate substance syllogistic Theory of Predication things denoted third triangle true truth Ueberweg universal universal propositions valid moods violated by inferring words
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Side 51 - Whitney and Edgren. — A COMPENDIOUS GERMAN AND ENGLISH DICTIONARY, with Notation of Correspondences and Brief Etymologies. By Professor WD WHITNEY, assisted by AH EDGREN.
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