Fallacy of necessity


 
Name of fallacy Fallacy of necessity
Aliases  
Type Deductive Argument, Formal Argument
Description Unwarranted necessity is placed in the conclusion.
Example Example:

a) Bachelors are necessarily unmarried.
b) John is a bachelor.
Therefore, c) John cannot marry.
Form 
Treatment The error is to exclude other possible options. Suggest alternative options and show the exclusion.

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