Axiom

/ˈæksiəm/
Definition 1 of 2
Visual representation of "axiom"
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Unquestioned Premise

In logic or math, an axiom is a starting point for reasoning, not questioned or tested.

Illustration for Unquestioned Premise
In geometry, the axiom that parallel lines never intersect is a given.
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Foundational Importance

Axioms form the foundation of logical arguments or mathematical proofs.

Illustration for Foundational Importance
He used the axiom of symmetry as the base for his theorem.
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Not a Proof

An axiom shouldn't be confused with a theorem, which is proven based on axioms and definitions.

Illustration for Not a Proof
The professor stated the axiom clearly, without offering a proof.
Visual representation of the word "Axiom"

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