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