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Venn diagram for "A or B", with inclusive or (OR) Venn diagram for "A or B", with exclusive or (XOR). The fallacy lies in concluding that one disjunct must be false because the other disjunct is true; in fact they may both be true because "or" is defined inclusively rather than exclusively.
Either/Or (Danish: Enten – Eller) is the first published work of Danish philosopher Søren Kierkegaard. It appeared in two volumes in 1843 under the pseudonymous editorship of Victor Eremita ( Latin for "victorious hermit").
Either/or and related terms may refer to: Either/Or (Kierkegaard book) , an influential book by philosopher Søren Kierkegaard Either/Or (Batuman novel) , a novel by Elif Batuman
Because the logical or means a disjunction formula is true when either one or both of its parts are true, it is referred to as an inclusive disjunction. This is in contrast with an exclusive disjunction, which is true when one or the other of the arguments are true, but not both (referred to as exclusive or, or XOR).
Naturalistic fallacy fallacy is a type of argument from fallacy. Straw man fallacy – refuting an argument different from the one actually under discussion, while not recognizing or acknowledging the distinction. [110] Texas sharpshooter fallacy – improperly asserting a cause to explain a cluster of data. [111]
The reasoning is simple: since at least one of the statements P and R is true, and since either of them would be sufficient to entail Q, Q is certainly true. An example in English: If I'm inside, I have my wallet on me. If I'm outside, I have my wallet on me. It is true that either I'm inside or I'm outside. Therefore, I have my wallet on me.
Part of understanding fallacies involves going beyond logic to empirical psychology in order to explain why there is a tendency to commit or fall for the fallacy in question. [ 9 ] [ 1 ] In the case of the false dilemma , the tendency to simplify reality by ordering it through either-or-statements may play an important role.
However, the fallacy may be resolved if the terms are exchanged in either the conclusion or in the first co-premise. Indeed, from the perspective of first-order logic , all cases of the fallacy of the undistributed middle are, in fact, examples of affirming the consequent or denying the antecedent, depending on the structure of the fallacious ...