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21 Cards in this Set
- Front
- Back
A prop is false
O prop is? |
true
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I prop is false
A prop is? |
false
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A prop is true
I prop is? |
true
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A prop is false
I prop is? |
false/true
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O prop is false
E prop is? |
false
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E prop is true
O prop is? |
true
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E prop is false
A prop is? |
true
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A prop is true
E prop is? |
false
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O prop is false
I prop is? |
true
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I prop is true
O prop is? A prop is? E prop is? |
true/flase
false/true false |
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define valid argument 1
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the conclusion follows necessarily from the premise sets
All A-B All C-A All C-B and All A-B All B-C All A-C |
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define valid argument 2
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if the premise set is true then the conclusion cannot be false
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define sound argument
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a valid argument w/ true premise set
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define logical equivalence
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2 sentences are logically equivalent if they have the same truth value and same meaning
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define distribution
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a term (S,P,M) is distributed if it refers to all members of class named by that term; undistributed otherwise
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Form number?
M P \ S M |
1
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Form number?
P M | S M |
2
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Form number?
M P | M S |
3
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Form number?
P M / M S |
4
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for, since, because, in as, much as
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premise indicators
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so, thus, therefore, consequently, hence, it follows that
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conclusion indicator
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