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Invalid Reversal and Negation
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LSAT
LSAT.036 Invalid Reversal and Negation
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A bureau reduces permit delays only if the seasonal survey is complete. The survey is not complete, so the bureau will not reduce permit delays. Which choice best assesses the inference?
A
It is valid because the absence of a necessary condition rules out the delay reduction.
B
It is invalid because it treats a completed survey as sufficient for delay reduction.
C
It is invalid because it denies the antecedent of the survey rule.
D
It is invalid because delay reduction could have many causes.
E
It is invalid because the bureau may conduct surveys annually.
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