Database
SUPPLEMENTARY MATERIAL (USERS' MATHBOXES)
Mathbox for BJ
Extended real and complex numbers, real and complex projective lines
Direct image and inverse image
cimdir
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df-imdir
Metamath Proof Explorer
Ascii
Structured
Syntax definition
cimdir
Description:
Syntax for the functionalized direct image.
Ref
Expression
Assertion
cimdir
class
𝒫
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