Equivocation


 
Name of fallacy Equivocation
Aliases
Type Irrelevant Argument, Formal and Informal Argument
Description Change in the meaning of a term during the course of an argument
Example

A feather is light. What is light cannot be dark. Therefore, a feather cannot be dark.

Form  
Treatment Get the term defined or by substitute an equivalent form of words at one of the points where the term in question is used and see whether the use of this form of words will make true the other statements in which this term is used.

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