Aspects of this topic are discussed in the following places at Britannica.
Formal fallacies are deductively invalid arguments that typically commit an easily recognizable logical error. A classic case is Aristotle’s fallacy of the consequent, relating to reasoning from premises of the form “If p1, then p2.” The fallacy has two forms: (1) denial of the antecedent, in which one mistakenly argues from the premises “If...
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