Sufficient Assumption Question
LSAT glossary · Logical Reasoning
Definition
Recognition: “The conclusion follows logically if which is assumed?” / “Which, if assumed, enables the conclusion to be properly drawn?” Task: Find a claim that, when added to existing premises, guarantees the conclusion.
Sufficient Assumption Question in plain English
A Sufficient Assumption is a missing piece that, once you drop it in, makes the conclusion rock-solid — the argument goes from 'kind of' to 'guaranteed.' Notice the difference from a required assumption: required means 'the argument NEEDS this or it dies,' while sufficient means 'add this and the argument is now airtight,' even if it's more than strictly necessary. It's like being told 'if you finish the essay, you pass the class' — that rule is the bridge that turns 'I finished the essay' into a certain 'I pass.' On these questions you hunt for the claim that, glued onto the existing premises, forces the conclusion to follow with zero wiggle room.
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Practice Sufficient Assumption Question
Which assumption, if added, enables the conclusion to be properly drawn?
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