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33 Cards in this Set
- Front
- Back
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Mental act by which agreement or disagreement of two ideas inferred from their known relation to a common third idea Operation of a mind judgement explicitly inferred from two other judgements which are implicitly contained |
Reasoning |
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Drawing of a conclusion from one or more premises |
Inference |
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Types of inference |
Immediate inference Mediate inference |
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Mind passes immediately or directly from a single premise to a conclusion |
Immediate inference |
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Intellect derives a conclusion from two or more premises taken jointly |
Mediate inference |
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Mediate inference can be: |
Deductive Inductive |
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Universal to particular and individual |
Deductive |
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Individual and particular to universal conclusions |
Inductive |
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Series of propositions logically connected with each other |
Syllogism |
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Parts of syllogism |
Premise Conclusion |
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Given proposition/propositions |
Premise |
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Inferred proposition from given premises |
Conclusion |
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Kinds of syllogism |
Categorical syllogism Hypothetical syllogism |
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Hypothetical syllogism may be: |
Conditional syllogism Conjunctive Disjunctive Bi-conditional |
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Three of its propositions are categorical Propositions expressing unconditional judgement |
Categorical syllogism |
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Major premise is hypothetical while minor and conclusion are categorical |
Hypothetical syllogism |
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Major premise is conditionalor implicative |
Conditional syllogism |
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Major premise is a conjunctive proposition |
Conjunctive |
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Major premise is a disjunctive proposition |
Disjunctive |
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Major premise is a bi-conditional proposition |
Bi-conditional |
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Four axioms |
Dictum de omni (principle of all) Dictum de nullo (principle of none) Principle of reciprocal identity Principle of reciprocal non-identity |
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Whatever is affirmed to the universal is also affirmed to every member of the universal class |
Dictum de omni (principle of all) |
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Whatever is denied to the universal class is also denied to every member of the universal class |
Dictum de nullo (principle of none) |
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A is C; B is C then A is B |
Principle of reciprocal identity |
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A is C; B is not C then A is not B |
Principle of reciprocal non-identity |
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Universal middle term |
Mu |
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Particular middle term |
Mp |
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Universal minor term |
Su |
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Particular minor term |
Sp |
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Universal major term |
Pu |
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Particular major term |
Pp |
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Affirmative copula |
+ |
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Negative copula |
- |
