Axiom:Axiom of Extension/Also known as
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Axiom of Extension: Also known as
The Axiom of Extension is also known as:
- the Axiom of Extensionality
- the Axiom of Extent.
Sources
- 1964: W.E. Deskins: Abstract Algebra ... (previous) ... (next): Chapter $1$: A Common Language: $\S 1.1$ Sets
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): axiom of extensionality
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): axiom of extensionality