Fallacy of Accent
Accentus · Misleading Accent
An ambiguity that arises when the meaning of a sentence is changed by placing an unusual prosodic stress, or when, in a written passage, it's left unclear which word the emphasis was supposed to fall on.
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Origin
Aristotle catalogued the fallacy as prosōidía (prosody) in his Sophistical Refutations, one of thirteen fallacy types he identified. Later translated to Latin as accentus, it described how accent changes meaning in Greek, where written words lacked accent marks. Aristotle noted such ambiguities were rare in contemporary Greek. The fallacy extends to modern English through emphatic stress—"ALL men are created equal" versus "All MEN are created equal"—and missing punctuation creating grammatical ambiguity.
Updated February 22, 2026