Database
SUPPLEMENTARY MATERIAL (USERS' MATHBOXES)
Mathbox for BTernaryTau
ZF set theory
The constructible universe
ck2
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ck3
Metamath Proof Explorer
Ascii
Structured
Syntax definition
ck2
Description:
Extend the definition of a class to include the second argument of the
_J
function.
Ref
Expression
Assertion
ck2
class
𝐾
2