Package-deal fallacy:

Conceptual Fallacy

Definition	Example
When it is assumed that things often grouped together by tradition or culture must always be grouped that way.	She’s likes bowling, so she must certainly beer as do most other bowlers.
Notes
This fallacy is one of degrees. For example, you might be justified saying “Koji spent most of his life in a Japanese culture, and therefore probably can use chopsticks.”

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Case Study One

Because Judge John E. Jones III was appointed by George W. Bush, it was assumed by many that he would favor the right-leaning anti-evolutionists in the Dover trial over intelligent design. This turned out to not be the case.

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Case Study Two

Tiger Woods surprised many who assumed that black golfers could never attain the skill-level of white golfers.

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^{Keep in mind that a fallacious argument does not entail an erroneous position.}

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