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Final Study Guide
Negation |
A statement that is true when the statement it contains is false |
Denying a Disjunct |
I 1. S1 or S2 (or both) II 1. S1 or S2 (not both)
2. Not S1 2. Not S2
So. S2 So. S1 |
Disjunction |
A statement that contains atleast 1 true disjunct |
Affirming an Inclusive Disjunct |
I 1. S1 or S2 (or both)
2. S1
3. Not S2 |
Valid Argument |
A deductive argument that passes the proper form test |
Denying the Consequent |
1. If S1, then S2
2. Not S2
So. Not S1 |
Affirming Exclusive Disjunct |
1. If S1 or S2
2. S1
So. Not S2 |
Conjunction |
The statement is true when all the conjuncts are true |
Fallacy False Dichotomy |
When a premise of an argument with a disjunction is false because of ther alternatives besides what is present |
Conditional |
This statement is true when its consequence is true or its antecedent is false |
Antecedent |
An event or thing that precedes another |
Affirm the Consequent |
If S1, then S2
If S2
So S1 |
Affirming the Antecedent |
If S1, then S2
If S1
So S2 |
Tri-Conditional Argument |
If S1, then S2
If S2, then S3
So S1, then S3 |
Denying the Antecedent |
1. If S1, then S2
2. Not S1
3. Not S2 |
Analogical Argument |
X1 has feature F1,F2,F3 and Fn
X2 has feature F1,F2,F3
So X2 probably has feature Fn
Based on comparison |