cfz - Metamath Proof Explorer

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Syntax Definition cfz 13168

Description: Extend class notation to include the notation for a contiguous finite set of integers. Read "𝑀...𝑁 " as "the set of integers from 𝑀 to 𝑁 inclusive".

This symbol is also used informally in some comments to denote an ellipsis, e.g., 𝐴 + 𝐴↑2 + ... + 𝐴↑(𝑁 − 1).

**Assertion**
Ref	Expression
cfz	class ...

See definition df-fz 13169 for more information.

Colors of variables: wff setvar class

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