Part-Whole Relationship

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One thing is a component or part of something larger.

Part-whole relationships (also called meronymy) connect a component to the larger entity it belongs to. Unlike category relationships where A 'is a type of' B, here A 'is a part of' B. The part cannot exist independently in the same form—a wheel removed from a car is still a wheel, but its function relates to being part of the car.

A ⊂ B (A is a part of B)

• wheel : car :: page : book
• finger : hand :: branch : tree
• chapter : novel :: scene : movie

How to recognize it

• Ask: 'Is A a physical or logical component of B?'
• The whole (B) contains or is composed of the part (A)
• Both pairs should show the same type of composition
• Consider: does A function as part of B?

Common mistakes

• Confusing with category ('wheel' is not a 'type of' car)
• Reversing the relationship (whole : part instead of part : whole)
• Missing the compositional nature of the relationship

Practice guidance

Verbal Reasoning