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Logical Fallacy: Non Sequitur

When writing to prove a point, the author must make certain that his/her conclusions make sense. One of the easiest traps to fall into is "non sequitur," when the conclusion does not follow the premise. Watch out for this pitfall!
by

Catherine Wishart

on 9 September 2014

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Transcript of Logical Fallacy: Non Sequitur

The Jump
Conclusion: we are now in a deep recession. The change in family structures must have caused the recession.
Example #3:
Pigs are mammals. They cannot fly.
The Jump...
Conclusion: A dog is a mammal. Therefore, it cannot fly.
Example of Non Sequitur
The premise: I am having money issues and I am unhappy.
The Jump
Conclusion: Rich people must be happy.
Another Example
The premise: Family structures are changing.
SIDE A
SIDE B
CONCLUSION
What does "non sequitur mean? According to
The Merriam-Webster Dictionary,
non sequitur is "a statement that is not connected in a logical or clear way to anything said before it"
(Merriam -Webster.com"
Logical Fallacy: Non Sequitur
THANK YOU!
Mrs. Wishart
Senior Adjunct Instructor
Literacy Coach
MAY BE incorrect!
but... it may be correct. Just because the connection isn't logical in this sense doesn't mean there isn't truth in the conclusion. The conclusion may be correct for another reason.
Turn and Talk:
talk to the person next to you. What is wrong with the jump made from the premise? Do you think the jump is actually correct? Why or why not?
What do changes in family structure have to do with a recession? Is there actually a link here?
Turn and talk.
Turn and Talk
:
is this statement logical? Why or why not?
Common Non Sequiturs
The premise:
certain non sequiturs don't change over time.

The jump:
that must mean that there is truth in non sequiturs.
The message:
don't jump to conclusions. Look at as much evidence as possible.
Full transcript