Critical reasoning: argument core, assumptions, and flaws

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Identify the conclusion, premises, and intermediate conclusions in a Critical Reasoning argument.
Differentiate background information from evidence and distinguish subsidiary claims from the main conclusion.
Infer the necessary assumption that links the premises to the conclusion, including assumptions about causation, comparison, sampling, definition, or exclusivity.

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Explain why an argument is vulnerable by showing the gap between what the premises establish and what the conclusion asserts.

Use argument-core analysis to eliminate answer choices that address a peripheral issue rather than the argument’s logical gap.

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