A bias fallacy is a mistaken believed based on an unsound
argument based on bias. An example of bias fallacy would be "Mitt
Romney can't be a good leader because he is Mormon." Rhetorical
device is a technique used by a writer to get an emotional
response. Antithesis is a form of rhetorical device which
juxtaposes different ideas such as "Not that I loved Caesar less,
but that I loved Rome more."