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.
- 1964: W.E. Deskins: Abstract Algebra ... (previous) ... (next): Chapter $1$: A Common Language: $\S 1.1$ Sets