LSAT 126 – Section 1 – Question 25

LSAT 126 - Section 1 - Question 25

October 2008

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT126 S1 Q25
+LR
Except +Exc
Must be true +MBT
Conditional Reasoning +CondR
Quantifier +Quant
A
7%
158
B
6%
159
C
67%
164
D
14%
159
E
5%
158
146
156
166
 +Harder 146.126 +SubsectionMedium

Some twentieth-century art is great art. All great art involves original ideas, and any art that is not influential cannot be great art.

Summary
The stimulus can be diagrammed as follows:

Notable Valid Inferences
Some 20th century art involves original ideas.

Some 20th century art is influential.

Some art that involves original ideas is influential.

If art is great, then it is original and influential.

A
Some influential art involves original ideas.
This must be true. As shown in the diagram, we can infer that some influential art involves original ideas.
B
Some twentieth-century art involves original ideas.
This must be true. As shown in the diagram, we can infer that some twentieth century art involves original ideas.
C
Only art that involves original ideas is influential.
This could be false. (C) can be diagrammed to say influential→ original. This is not a conditional claim given in the stimulus.
D
Only art that is influential and involves original ideas is great art.
This must be true. As shown in the diagram, all great art is influential and original.
E
Some twentieth-century art is influential and involves original ideas.
This must be true. As shown in the diagram, there must be at least some overlap between art involving original ideas and influential art.

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LSAT PrepTest 126 Explanations

Section 1 - Logical Reasoning

Section 2 - Reading Comprehension

Section 3 - Logical Reasoning

Section 4 - Logical Reasoning

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