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- Hand-waving (with various spellings) is a pejorative label for attempting to be seen as effective – in word, reasoning, or deed – while actually doing nothing effective or substantial. It is often applied to debating techniques that involve fallacies, misdirection and the glossing over of details. It is also used academically to indicate unproven claims and skipped steps in proofs (sometimes intentionally, as in lectures and instructional materials), with some specific meanings in particular fields, including literary criticism, speculative fiction, mathematics, logic, science and engineering. The term can additionally be used in work situations, when attempts are made to display productivity or assure accountability without actually resulting in them. The term can also be used as a self-admission of, and suggestion to defer discussion about, an allegedly unimportant weakness in one's own argument's evidence, to forestall an opponent dwelling on it. In debate competition, certain cases of this form of hand-waving may be explicitly permitted. Hand-waving is an idiomatic metaphor, derived in part from the use of excessive gesticulation, perceived as unproductive, distracting or nervous, in communication or other effort. The term also evokes the sleight-of-hand distraction techniques of stage magic, and suggests that the speaker or writer seems to believe that if they, figuratively speaking, simply wave their hands, no one will notice or speak up about the holes in the reasoning. This implication of misleading intent has been reinforced by the pop-culture influence of the Star Wars franchise, in which mystically powerful hand-waving is fictionally used for mind control, and some uses of the term in public discourse are explicit Star Wars references. Actual hand-waving motions may be used either by a speaker to indicate a desire to avoid going into details, or by critics to indicate that they believe the proponent of an argument is engaging in a verbal hand-wave inappropriately. (en)
- En sciences, un argument qualitatif se distingue d'un argument quantitatif par le fait qu'il ne s'appuie pas sur des données numériques. Cette distinction ne porte pas sur la rigueur de l'argument, même si la prédominance des valeurs chiffrées peut parfois induire une connotation négative pour l'argument qualitatif, qui devient alors synonyme de « avec les mains » (en anglais : (en) hand-waving). (fr)
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| rdfs:comment
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- En sciences, un argument qualitatif se distingue d'un argument quantitatif par le fait qu'il ne s'appuie pas sur des données numériques. Cette distinction ne porte pas sur la rigueur de l'argument, même si la prédominance des valeurs chiffrées peut parfois induire une connotation négative pour l'argument qualitatif, qui devient alors synonyme de « avec les mains » (en anglais : (en) hand-waving). (fr)
- Hand-waving (with various spellings) is a pejorative label for attempting to be seen as effective – in word, reasoning, or deed – while actually doing nothing effective or substantial. It is often applied to debating techniques that involve fallacies, misdirection and the glossing over of details. It is also used academically to indicate unproven claims and skipped steps in proofs (sometimes intentionally, as in lectures and instructional materials), with some specific meanings in particular fields, including literary criticism, speculative fiction, mathematics, logic, science and engineering. (en)
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