Arguments Flashcards
Poll
(inductive)
conclusion made by a poll or survey
Generalization
(inductive)
Start with a number of observed instances (a “sample”)
and reason to a conclusion about an extension of the
pattern to a larger class of things (the “population.”)
Inference to the Best Explanation
(inductive)
There can be many possible causes for a conclusion, we believe the one that offers the best explanation
Simple induction
(inductive)
Proportion X of group G has characteristic C.
Individual I is a member of G.
The probability that I has C is X
Analogy
(inductive)
where perceived similarities are used as a basis to infer some further similarity that has not been observed yet
BEST
Which explanation fits best with our Background knowledge?
Which explanation has the most Explanatory power?
Which explanation is Simple - does not require us to come up with weird stories?
Which explanation is Testable? - does it result in a prediction that, if it comes true, could support or refute your explanation?
Modus Ponens
(deductive)
If A, then B.
A.
Therefore B
Modus Tollens
(deductive)
If A, then B
Not B
Therefore Not A.
Affirming the Consequent
(imposter)
If A, then B.
B.
Therefore A.
Denying the Antecedent
(imposter)
If A, then B.
Not A.
Therefore Not B.