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Assumption Quote by Charles Sanders Peirce

“One will meet, for example, the virtual assumption that what is relative to thought cannot be real. But why not, exactly? Red is relative to sight, but the fact that this or that is in that relation to vision that we call being red is not itself relative to sight; it is a real fact.” quote by Charles Sanders Peirce
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“One will meet, for example, the virtual assumption that what is relative to thought cannot be real. But why not, exactly? Red is relative to sight, but the fact that this or that is in that relation to vision that we call being red is not itself relative to sight; it is a real fact.”

Charles Sanders Peirce

About This Quote

The quote argues that relational properties (like color) depend on perception, yet the underlying relations themselves are objective facts, not merely subjective constructs.

In simple terms: Perception vs. objective reality.

Key Takeaway

Relations are factual, not just subjective.

Themes

philosophy of perception epistemology ontology relativism semantics

Mood

thoughtful analytical

Type

philosophical analytical

When to use this quote

  • artificial
  • psychology
  • philosophy of mind
  • design of visual interfaces
  • education about perception

Key Concepts

subjective experience objective facts color perception relational properties

Practical Applications

  • teaching epistemology
  • designing user interfaces

Questions to Reflect On

  • How do we distinguish between subjective experience and objective facts?
  • Can relational properties be both perceived and factual?
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