Logical Fallacies - the Research Seminar Wiki!

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Transcript Logical Fallacies - the Research Seminar Wiki!

Logical Fallacies
Appeal to False Authority
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(argumentum ad verecundium)
“False Expert”
Examples?
I drink Vitamin Water because Brian Urlacher
does!
Ignoring the Question
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Deflecting from the REAL issue
Examples?
My paper isn’t done today because I was
really busy this weekend and my relationship
just ended.
Irrelevant Emotional Appeal
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Using ethos (emotion) unnecessarily to make
a point.
Examples?
You must enjoy seeing people suffer if you
don’t support universal health care.
Hasty Generalization
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Using one or few examples to make a point.
Examples?
I failed my first quiz in class. What’s the point
of trying any more?
I can’t stand Bill Clinton, so I’m never voting
for a Democrat again!
Card-stacking
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Information is only presented from one side while the other is
given no support at all.
“All the cards are stacked on your side!”
Examples?
A politician just “happens” to be in town when a new school is
opening - so they just drop in, hi-jacking the press for their own
means.
Source: "Card-stacking." Changing minds and persuasion -How we change what others think, believe, feel and do. Web.
19 Sept. 2009. <http://changingminds.org/techniques
/propaganda/card_stacking.htm>.
Bandwagon
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“Everybody’s doin’ it!”
Examples?
If all of the other industrialized countries are
going to year-round schools, we should too!
Begging the Question
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You assume what you are saying is true.
Examples?
Abortion is the unjustified killing of a human being
and as such is murder. Murder is illegal. So abortion
should be illegal.
Assuming abortion is murder.
Source: "Begging the question - logical fallacies -."
The Skeptic's Dictionary - Skepdic.com. Web. 19
Sept. 2009. <http://www.skepdic.com/begging.html>.
Fallacy of the General Rule
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What’s true for one is true for all!
Similar to Hasty Generalization, involves absolutes
Examples?
"All chairs have four legs." Except that rocking chairs
don't have any legs, and what is a one-legged
"shooting stick" if it isn't a chair?
Source: "A List Of Fallacious Arguments." Don
Lindsay Archive. Web. 19 Sept. 2009.
<http://www.don-lindsay-archive.org/skeptic/
arguments.html#generalrule>.
False Either/Or
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Only giving two choices.
Examples?
Either we put all terrorists in prison, or
America is doomed!
False Analogy
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Claiming two situations are similar, even
though they are not.
Examples?
We should nuke Afghanistan to end the war,
just like we did in Japan.
Game
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On card, create an example of a fallacy of
logic.
Write the fallacy on the other side of the card.
Divide into two teams.
See who can identify the most.