Database
SUPPLEMENTARY MATERIAL (USERS' MATHBOXES)
Mathbox for BTernaryTau
ZF set theory
The constructible universe
ck1
Next ⟩
ck2
Metamath Proof Explorer
Ascii
Unicode
Syntax definition
ck1
Description:
Extend the definition of a class to include the first argument of the
_J
function.
Ref
Expression
Assertion
ck1
Could not format assertion : No typesetting found for class _K1 with typecode class