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Certain Quote by Ludwig Wittgenstein

“A tautology's truth is certain, a proposition's possible, a contradiction's impossible.” quote by Ludwig Wittgenstein
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“A tautology's truth is certain, a proposition's possible, a contradiction's impossible.”

Ludwig Wittgenstein

About This Quote

Source Lecture: Remarks on the Foundations of Mathematics, 1930s

Logical categories differ: some are always true, some are possible, some cannot be true.

In simple terms: Logical categories have different certainty levels.

Key Takeaway

Recognize logical limits.

Themes

logic philosophy language

Mood

analytical critical

Type

philosophical educational

When to use this quote

  • mathematical proof
  • argument analysis
  • critical thinking

Key Concepts

tautology possibility contradiction

Questions to Reflect On

  • What statements feel tautological?
  • How do contradictions appear in daily life?
A Different Perspective

Real-world statements often blur these categories.

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