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Hidden Premise Identification

Hidden Premise Identification problems present an argument with a logical gap - a missing premise that is necessary for the conclusion to follow. You must identify the unstated premise that completes the logical chain.

10Worksheets
200+Practice Questions
IntermediateDifficulty
3-4 hoursHours to Master

What You'll Learn

Introduction & Overview Why This Matters How to Solve Pro Tips & Tricks
Shortcut Methods Common Mistakes Practice Worksheets Exam Importance

Introduction to Hidden Premise Identification

Hidden Premise Identification problems present an argument with a logical gap - a missing premise that is necessary for the conclusion to follow. You must identify the unstated premise that completes the logical chain.

Prerequisites

Understanding of logical arguments Premise-conclusion relationships Syllogistic reasoning Logical gap analysis
Why This Matters: Hidden Premise Identification appears in 1-2 questions in advanced reasoning sections of Banking and SSC exams.

How to Solve Hidden Premise Identification Problems

1

Step 1: Identify the given premises (explicit statements)

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Step 2: Identify the conclusion being drawn

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Step 3: Trace the logical path from premises to conclusion

4

Step 4: Identify where the logical chain breaks or has a jump

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Step 5: Determine what additional premise would connect the premises to the conclusion

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Step 6: The hidden premise should be a general statement that links the existing premises

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Step 7: Verify that adding this premise makes the argument logically valid

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Step 8: Select the hidden premise that best completes the argument

Pro Strategy: Hidden premises are often universal statements that bridge the gap between given information and the conclusion. Look for what general principle would make the specific conclusion follow.

Example Problem

Example: Argument: 'All dogs are mammals. Rover is a dog. Therefore, Rover barks.' What is the hidden premise? Solution: Step 1: Given premises: All dogs are mammals; Rover is a dog Step 2: Conclusion: Rover barks Step 3: Logical gap: From 'Rover is a dog' to 'Rover barks' needs a link Step 4: Hidden premise: 'All dogs bark' Step 5: With this premise, the argument becomes valid: All dogs bark → Rover is a dog → Rover barks Answer: All dogs bark

Pro Tips & Tricks

  • Hidden premises are often general rules or principles
  • They frequently take the form 'All X are Y' or 'If X then Y'
  • The hidden premise is NEVER stated in the argument
  • Use syllogistic reasoning: If given A→B and conclusion A→C, the hidden premise is B→C
  • Hidden premises can be about definitions, classifications, or cause-effect relationships
  • Sometimes multiple hidden premises could work - choose the most logical and minimal one

Shortcut Methods to Solve Faster

In conditional arguments: If Premise P and Conclusion C, hidden premise is P→C
In categorical syllogisms: Identify the missing middle term
The hidden premise is the 'missing link' between evidence and conclusion

Common Mistakes to Avoid

Identifying a restatement of the conclusion as a hidden premise
Adding premises that are too specific to be useful
Missing that the hidden premise must connect ALL given premises to the conclusion
Confusing hidden premises with assumptions (assumptions are broader; premises are specific links)

Exam Importance

Hidden Premise Identification is an important topic for various competitive exams. Here's how frequently it appears:

SSC CGL
1-2 questions
BANKING PO
1-2 questions
RAILWAYS RRB
1-2 questions
CAT
1-2 questions
INSURANCE
1-2 questions

Ready to Master Hidden Premise Identification?

Start with Worksheet 1 and work your way up to expert level! Each worksheet includes:

20 practice questions
Detailed solutions
Step-by-step explanations
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