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30 Cards in this Set

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  • Back
Arguments
A set of staements, of which some, the premises, support one, the conclusion.
Statement
A sentence that can be true or false.
Soundness
A sound srgument is valid w/ every premise true.
Validity
An argument is valid, if the conclusion follows w/ certainty from the premise.
Sound Argument
1. Valid

2. Every premise is true
Unsound Argument
1. At least onw false premise

2. Invalid
Premise Indicators
Since
Because (of)
For the reason being
Conclusion Indicators
Therefore
Hence
Thus
Inconclusion
Thus
So
Method of Counter Example
Find an argument of the same form, where the premises are obviously true, and the conclusion is obviously false.
Cogent
Strong arguments w/ true premises
Uncogent
Invalid arguments that are either:
1. Weak
2. Strong w/ false premise
Cold Reading
1. Fishing for more details
2. Vauge details
3. Selective memory
Hot Reading
Gathered info. ahead of time.
Excesive Verbiage:
1. Discount
Like a premise but it seems to argue against the conclusion indicators. Although, Yes____ but, even though, despite the fact that, I realize_____...
Excesive Verbiage:
2. Repitition
Not need if valid, valid.
Excesive Verbiage:
3. Assurance
Statement, word phrase that indicates that the author is confident w/ the premise. Indicators: Certainly, clearly, It is a fact that...
Excesive Verbiage:
4. Hedge
Statement, word, phrase that indicates the author is tentative about a premise.
Indicators: In my opinion, I believe that, I guess that...
Heuristic
Rule of thumb or mental shortcut that usually, but not always gives us the right answer.
Statement
Sentence which is either true or false.
Unsound
Argument that is either invalid or has a false premise
Deductive Logic
The part of logic which is concerned w/ test for validity & invalidity.
Weak
It is probable that the premises are true then the conclusion is true.
Sound
A valid argument w/ all premises true.
Inductive Logic
The part of logic which is concerned w/ test for strength & weakness.
Entihymeme
An argument w/ a surpressed conclusion of premise.
Logic
The study of methods testing whatever the premise of an argument supports that conclusion.
Argument
A set of statements one of which called conclusion, is offirmed on the basis of the others.
Term
Word or phrase that can be subject to the sentence.
Extension of Term
The set of all things described by the term.

Extension of "my car" is Coupe
Intension of a Term
The property that a term must have to be included in the extension of a term.

Intension of "my car" having the properties of Honda Accord Coupe 04