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Definition df-mex 29114
Description: Define the set of expressions, which are strings of constants and variables headed by a typecode constant. (Contributed by Mario Carneiro, 14-Jul-2016.)
Assertion
Ref Expression
df-mex  |- mEx  =  ( t  e.  _V  |->  ( (mTC `  t )  X.  (mREx `  t )
) )

Detailed syntax breakdown of Definition df-mex
StepHypRef Expression
1 cmex 29094 . 2  class mEx
2 vt . . 3  setvar  t
3 cvv 3106 . . 3  class  _V
42cv 1397 . . . . 5  class  t
5 cmtc 29091 . . . . 5  class mTC
64, 5cfv 5570 . . . 4  class  (mTC `  t )
7 cmrex 29093 . . . . 5  class mREx
84, 7cfv 5570 . . . 4  class  (mREx `  t )
96, 8cxp 4986 . . 3  class  ( (mTC
`  t )  X.  (mREx `  t )
)
102, 3, 9cmpt 4497 . 2  class  ( t  e.  _V  |->  ( (mTC
`  t )  X.  (mREx `  t )
) )
111, 10wceq 1398 1  wff mEx  =  ( t  e.  _V  |->  ( (mTC `  t )  X.  (mREx `  t )
) )
Colors of variables: wff setvar class
This definition is referenced by:  mexval  29129
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