Database
SUPPLEMENTARY MATERIAL (USERS' MATHBOXES)
Mathbox for BJ
Extended real and complex numbers, real and complex projective lines
Divisibility
czzhat
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df-bj-zzhat
Metamath Proof Explorer
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Syntax definition
czzhat
Description:
Syntax for the one-point-compactified integers.
Ref
Expression
Assertion
czzhat
class
ℤ
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