Metamath Proof Explorer 
< Previous
Next >
Nearby theorems 

Mirrors > Home > MPE Home > Th. List > wfr  Unicode version 
Description: Extend wff notation to include the wellfounded predicate. Read: ' is a wellfounded relation on .' 
Ref  Expression 

cA  
cR 
Ref  Expression 

wfr 
Colors of variables: wff set class 
Copyright terms: Public domain  W3C validator 