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Definition df-se 4090
Description: Define the set-like predicate. (Contributed by Mario Carneiro, 19-Nov-2014.)
Assertion
Ref Expression
df-se  |-  ( R Se  A  <->  A. x  e.  A  { y  e.  A  |  y R x }  e.  _V )
Distinct variable groups:    x, y, R   
x, A, y

Detailed syntax breakdown of Definition df-se
StepHypRef Expression
1 cA . . 3  class  A
2 cR . . 3  class  R
31, 2wse 4086 . 2  wff  R Se  A
4 vy . . . . . . 7  setvar  y
54cv 1284 . . . . . 6  class  y
6 vx . . . . . . 7  setvar  x
76cv 1284 . . . . . 6  class  x
85, 7, 2wbr 3787 . . . . 5  wff  y R x
98, 4, 1crab 2353 . . . 4  class  { y  e.  A  |  y R x }
10 cvv 2602 . . . 4  class  _V
119, 10wcel 1434 . . 3  wff  { y  e.  A  |  y R x }  e.  _V
1211, 6, 1wral 2349 . 2  wff  A. x  e.  A  { y  e.  A  |  y R x }  e.  _V
133, 12wb 103 1  wff  ( R Se  A  <->  A. x  e.  A  { y  e.  A  |  y R x }  e.  _V )
Colors of variables: wff set class
This definition is referenced by:  seex  4092  exse  4093  sess1  4094  sess2  4095  nfse  4098  epse  4099  seinxp  4431  dfse2  4722  exse2  4723
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