Database
ZF (ZERMELO-FRAENKEL) SET THEORY
ZF Set Theory - add the Axiom of Union
Ordinal arithmetic
coe
Next ⟩
df-1o
Metamath Proof Explorer
Ascii
Unicode
Syntax definition
coe
Description:
Extend the definition of a class to include the ordinal exponentiation operation.
Ref
Expression
Assertion
coe
class
↑
𝑜