Database
SUPPLEMENTARY MATERIAL (USERS' MATHBOXES)
Mathbox for BJ
Extended real and complex numbers, real and complex projective lines
Extended numbers and projective lines as sets
cinfty
Next ⟩
df-bj-infty
Metamath Proof Explorer
Ascii
Structured
Syntax definition
cinfty
Description:
Syntax for
infty
.
Ref
Expression
Assertion
cinfty
class
∞