Database
ZF (ZERMELO-FRAENKEL) SET THEORY
ZF Set Theory - start with the Axiom of Extensionality
Basic operations on classes
The difference of two classes
cdif
Next ⟩
difjust
Metamath Proof Explorer
Unicode
Structured
Syntax definition
cdif
Description:
Syntax for the difference of two classes.
Ref
Expression
Assertion
cdif
class ( A \ B )