Database
SUPPLEMENTARY MATERIAL (USERS' MATHBOXES)
Mathbox for BJ
Extended real and complex numbers, real and complex projective lines
Argument, multiplication and inverse
cinvc
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df-bj-invc
Metamath Proof Explorer
Ascii
Structured
Syntax definition
cinvc
Description:
Syntax for the inverse of nonzero extended complex numbers.
Ref
Expression
Assertion
cinvc
class
-1
ℂ̅