Database
ZF (ZERMELO-FRAENKEL) SET THEORY
ZF Set Theory - add the Axiom of Infinity
Transitive closure of a relation
cttrcl
Next ⟩
df-ttrcl
Metamath Proof Explorer
Ascii
Unicode
Syntax definition
cttrcl
Description:
Declare the syntax for the transitive closure of a class.
Ref
Expression
Assertion
cttrcl
Could not format assertion : No typesetting found for class t++ R with typecode class