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Definition df-cod_ 25718
Description: Definition of  cod_. (Contributed by FL, 26-Oct-2007.)
Assertion
Ref Expression
df-cod_  |-  cod_  =  ( 2nd  o.  1st )

Detailed syntax breakdown of Definition df-cod_
StepHypRef Expression
1 ccod_ 25713 . 2  class  cod_
2 c2nd 6121 . . 3  class  2nd
3 c1st 6120 . . 3  class  1st
42, 3ccom 4693 . 2  class  ( 2nd 
o.  1st )
51, 4wceq 1623 1  wff  cod_  =  ( 2nd  o.  1st )
Colors of variables: wff set class
This definition is referenced by:  codval  25724
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