The logic behind argument: Coming face to face with fallacies An argument is considered valid if it takes a form that makes it impossible for the premises to be true and the conclusion to be false.

More than 75 percent of LSAT logical reasoning questions will contain an argument. For purposes of the LSAT, an argument is a conclusion supported by premises. In questions involving arguments ...

It lists a handful of basic deductive arguments and another handful derived from those basic ones. Also covered in Weston’s book are a number of common fallacies, some of which I already mentioned.

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This first installment will discuss how to understand arguments in the logical reasoning section. In questions involving arguments, you will often see the LSAT refer to the "argument" or the ...