medium · LSAT Logical Reasoning
A sign reads: only members can enter the lounge. David entered the lounge.
Is the conclusion that David is a member valid?
- No, because the inference affirms the consequent.
- Yes, because entering the lounge requires the very status of membership the sign makes a precondition.
- Yes, because it is a valid modus tollens.
- No, because the inference denies the antecedent.
- Yes, but only on the further assumption that the membership rolls are perfectly enforced.
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More LSAT Logical Reasoning practice
- Which one of the following is an assumption required by the argument?
- Which one of the following can be properly inferred from the statements above?
- The question type just described is best identified as which one of the following?
- The reasoning in the argument is flawed in that the argument
- The reasoning in the argument is flawed because the argument
- Which one of the following most accurately describes the relationship the statement establ
- Which one of the following can be validly inferred from the two conditionals above?
- Which one of the following must be true given the statement above?