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Public Law and Legal Theory

University of Michigan Law School

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Logic

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Logic And Elements. (Premises And Conclusions: Symbolic Logic For Legal Analysis)." , Richard D. Friedman Jan 1998

Logic And Elements. (Premises And Conclusions: Symbolic Logic For Legal Analysis)." , Richard D. Friedman

Articles

We may happily agree with Holmes that logic is not the life of the law' and yet contend that logic should play a significant role in legal discourse. Logic cannot demonstrate the truth of premises, and so by itself it cannot demonstrate the merits of a legal argument. Moreover, even given the premises, it may be that a leap of faith, or intuition, has an irreducible role at least in some good legal arguments.2 But at least a sound legal argument will not be an illogical one. An argument will not be persuasive if it appears to violate basic principles …


Infinite Strands, Infinitesimally Thin: Storytelling, Bayesianism, Hearsay And Other Evidence, Richard D. Friedman Jan 1992

Infinite Strands, Infinitesimally Thin: Storytelling, Bayesianism, Hearsay And Other Evidence, Richard D. Friedman

Articles

David Schum has long been one of our keenest commentators on questions of inference and proof. He has been particularly interested in, and illuminating on, the subject of "cascaded," or multi-step, inference.' This is a subject of importance to lawyers, because most evidence at trial can be analyzed in terms of cascaded inference. Usually, the proposition that the fact finder2 might immediately infer from the evidence is not itself an element of a crime, claim, or defense. Most often, an extra inference would be required to jump from that proposition to a proposition that the law deems material. Thus, inference …