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"demonstrated in materials" vs "demonstrated by materials"

Both phrases are correct, but they are used in different contexts. 'Demonstrated in materials' is used when referring to something shown or proven within the materials themselves, while 'demonstrated by materials' is used when indicating that the materials are the ones doing the demonstrating.

Last Updated: March 21, 2024

demonstrated in materials

This phrase is correct and commonly used when referring to something shown or proven within the materials themselves.

This phrase is used when the evidence or proof is contained within the materials being referenced.

Alternatives:

  • evident in materials
  • shown in materials
  • proven in materials
  • illustrated in materials
  • displayed in materials

demonstrated by materials

This phrase is also correct and is used when indicating that the materials themselves are the ones doing the demonstrating.

This phrase is used when the materials are actively showing or proving something.

Alternatives:

  • shown by materials
  • proven by materials
  • illustrated by materials
  • displayed by materials
  • evidenced by materials

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