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General Studies Paper II (CSAT) · Subtopic

Deductive reasoning

Official syllabus

Logical reasoning and analytical ability;

UPSC CSE 2026 notification

What this covers

Deduction asks whether a conclusion must be true if the premises are true. Validity concerns the logical form; it does not itself establish that the premises describe the real world.

Key ideas

  • premise
  • validity
  • converse
  • contrapositive

Official wording is from UPSC's Civil Services Examination 2026 notification, the current baseline for CSE 2027 preparation. Always check the latest notification at upsc.gov.in. Scopes and key ideas are CSE One's study map and are being expanded.

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