Fallacies
Thesis Statements
Claims
Toulmin
100

Directly attacks someone’s appearance, personal habits, or character rather than focusing on the merit of the issue at hand.  The implication is that if something is wrong with this person, whatever he/she says must be wrong.

Ad Hominem

100

true or false

a thesis statement is an essays overall claim or a summary of the main argument

100

Assert that something is true or not

Claim of fact

100

the statement that you are asking the other person to accept

claim

200

a conclusion based on insufficient or  unrepresentative evidence.

hasty generalization

200

open/closed/or counterargument

The three-dimensional characters, exciting plot, and complex themes of the Harry Potter series make them not only legendary children’s books but enduring literary classics.

closed

200

asserts that something is good or bad/right or wrong

claim of value

200

or data) The basis of real persuasion and is made up of data and hard facts.  It is the truth on which the claim is based.

grounds

300

asserts that a complex situation can have only two possible outcomes and that one of the options is necessary or preferable.

either/or, false dilemma 

300

open/closed/counterargument

“The popularity of the Harry Potter series demonstrates that simplicity trumps complexity when it comes to the taste of readers, both young and old.”

open

300

asserts that a change should be made

claim of policy

300

links data to a claim, legitimizing the claim by showing the data to be relevant.  May be explicit or unspoken and implicit.  Answers the questions: “Why does that data mean your claim is true?”

warrant

400

This is a kind of argument is where the support only restates the claim.

circular reasoning

400

closed/open/counterargument

“Although the Harry Potter series may have some literary merit, it’s popularity has less to do with storytelling than with merchandising."

counterargument 


400

True or false the various types of claims can be used simultaneously and can overlap

true

400

—(or support).  Gives additional support to the warrant by answering different questions.

backing

500

points out similarities in things that are otherwise different.   Claims comparison when differences outweigh similarities.  Essentially, it’s comparing apples and oranges!

faulty analogy

500

What type of thesis statement is acceptable on your timed writing essay

All of them!

500

A claim must be _________________

arguable

500

indicates the strength of the leap from the data to the warrant and may limit how universally the claim applies. Qualifiers include words such as “most”, “usually”, “always”, “sometimes”.

qualifier

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