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The term dilemma is attributed by Gabriel Nuchelmans to Lorenzo Valla in the 15th century, in later versions of his logic text traditionally called Dialectica. Valla claimed that it was the appropriate Latin equivalent of the Greek dilemmaton. Nuchelmans argued that his probable source was a logic text of c. 1433 of George of Trebizond. [2]
Constructive dilemma [1] [2] [3] is a valid rule of inference of propositional logic. It is the inference that, if P implies Q and R implies S and either P or R is true, then either Q or S has to be true. In sum, if two conditionals are true and at least one of their antecedents is, then at least one of their consequents must be too.
A dilemma, which is Greek for "two premises", has been likened to the front end of an angry and charging bull. Phædrus, however, because of his training in logic, was aware that every dilemma affords not two but three classic refutations, and he also knew of a few that weren't so classic... He could take the left horn ....
In order to evaluate these forms, statements are put into logical form. Logical form replaces any sentences or ideas with letters to remove any bias from content and allow one to evaluate the argument without any bias due to its subject matter. [1] Being a valid argument does not necessarily mean the conclusion will be true. It is valid because ...
Destructive dilemma [1] [2] is the name of a valid rule of inference of propositional logic. It is the inference that, if P implies Q and R implies S and either Q is false or S is false, then either P or R must be false. In sum, if two conditionals are true, but one of their consequents is false, then one of their antecedents has to be false.
Logical fallacy: A misconception resulting from incorrect reasoning in argumentation. Paradox gun : A gun that has characteristics of both (smoothbore) shotguns and rifles. Paradoxical laughter : Inappropriate laughter, often recognized as such by the laughing person.
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Pages in category "Dilemmas" The following 52 pages are in this category, out of 52 total. ... Catch-22 (logic) The Centipede's Dilemma; Collective action problem;