Which is correct:
"theory of" or "theory about"?

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theory of

This phrase is correct and commonly used in English.

The phrase 'theory of' is used to introduce the subject or field of study that a theory pertains to. It is commonly used in academic and scientific contexts.

Examples:

  • The theory of relativity
  • The theory of evolution
  • The theory of quantum mechanics

Alternatives:

  • principle of
  • concept of
  • idea of
  • hypothesis of
  • model of

theory about

This phrase is correct and commonly used in English.

The phrase 'theory about' is used to introduce the topic or subject matter that a theory discusses. It is also commonly used in various contexts.

Examples:

  • A theory about human behavior
  • A theory about the origin of the universe
  • A theory about climate change

Alternatives:

  • idea about
  • concept about
  • hypothesis about
  • belief about
  • notion about
Both 'theory of' and 'theory about' are correct and commonly used in English. They can be used interchangeably in many contexts.

Last updated: March 30, 2024

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