Identify the Principle
LSAT · Flashcards · Application
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QUESTION
Identify the best principle for: "Two methods yield the same results; therefore they are equally accurate."
QUESTION
Identify the needed principle form: Premise: "All A are B." Conclusion: "This A is B."
QUESTION
Identify the needed principle form: Premise: "If
A
A
A
then
B
B
B
." Premise: "Not
B
B
B
." Conclusion: "Not
A
A
A
."
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ANSWER
If
A
→
B
A \rightarrow B
A
→
B
, then
¬
B
→
¬
A
\neg B \rightarrow \neg A
¬
B
→
¬
A
. Contrapositive reasoning: denying the consequent denies the antecedent.
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