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    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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