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December 2009 LSAT
Section 1
Question 20
Ethicist: Every moral action is the keeping of an agreement, and keeping an agreement is nothing more than an act of...
Tyler808
on August 7, 2022
Why is A wrong?
Explain
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Emil-Kunkin
on August 8, 2022
Hi Tyler808,
The initial argument is as follows:
If MA -> KA
If KA -> SMB
Not all KA are MA
THUS: Some SMB are not MA
We could anonymize this as follows
If x then y
If y then Z
Not all Y are X
Thus: Some Z are not X
Let's look at A:
If calc then comp
If comp then AR
Not all AR are calc
THUS: some AR are not comp
And anonymized
If X then y
If Y then Z
Not all Z are X
Thus: not all Z are Y
This does not match our initial pattern, the conclusion is different.
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