Users' Mathboxes Mathbox for Frédéric Liné < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  df-propvar Unicode version

Definition df-propvar 26133
Description: Function that returns a propositional variable. Experimental. (Contributed by FL, 2-Feb-2014.)
Assertion
Ref Expression
df-propvar  |-  P c  =  ( x  e.  ( ZZ>= `  7 )  |->  { <. 1 ,  x >. } )

Detailed syntax breakdown of Definition df-propvar
StepHypRef Expression
1 cPc 26132 . 2  class  P c
2 vx . . 3  set  x
3 c7 9816 . . . 4  class  7
4 cuz 10246 . . . 4  class  ZZ>=
53, 4cfv 5271 . . 3  class  ( ZZ>= ` 
7 )
6 c1 8754 . . . . 5  class  1
72cv 1631 . . . . 5  class  x
86, 7cop 3656 . . . 4  class  <. 1 ,  x >.
98csn 3653 . . 3  class  { <. 1 ,  x >. }
102, 5, 9cmpt 4093 . 2  class  ( x  e.  ( ZZ>= `  7
)  |->  { <. 1 ,  x >. } )
111, 10wceq 1632 1  wff  P c  =  ( x  e.  ( ZZ>= `  7 )  |->  { <. 1 ,  x >. } )
Colors of variables: wff set class
This definition is referenced by:  smbkle  26146  cndpv  26152  pgapspf  26155
  Copyright terms: Public domain W3C validator