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Theorem mpstrcl 31438
Description: The elements of a pre-statement are sets. (Contributed by Mario Carneiro, 18-Jul-2016.)
Hypothesis
Ref Expression
mpstssv.p  |-  P  =  (mPreSt `  T )
Assertion
Ref Expression
mpstrcl  |-  ( <. D ,  H ,  A >.  e.  P  -> 
( D  e.  _V  /\  H  e.  _V  /\  A  e.  _V )
)

Proof of Theorem mpstrcl
StepHypRef Expression
1 df-ot 4186 . . 3  |-  <. D ,  H ,  A >.  = 
<. <. D ,  H >. ,  A >.
2 mpstssv.p . . . . 5  |-  P  =  (mPreSt `  T )
32mpstssv 31436 . . . 4  |-  P  C_  ( ( _V  X.  _V )  X.  _V )
43sseli 3599 . . 3  |-  ( <. D ,  H ,  A >.  e.  P  ->  <. D ,  H ,  A >.  e.  ( ( _V  X.  _V )  X.  _V ) )
51, 4syl5eqelr 2706 . 2  |-  ( <. D ,  H ,  A >.  e.  P  ->  <. <. D ,  H >. ,  A >.  e.  ( ( _V  X.  _V )  X.  _V ) )
6 opelxp 5146 . . . 4  |-  ( <. D ,  H >.  e.  ( _V  X.  _V ) 
<->  ( D  e.  _V  /\  H  e.  _V )
)
76anbi1i 731 . . 3  |-  ( (
<. D ,  H >.  e.  ( _V  X.  _V )  /\  A  e.  _V ) 
<->  ( ( D  e. 
_V  /\  H  e.  _V )  /\  A  e. 
_V ) )
8 opelxp 5146 . . 3  |-  ( <. <. D ,  H >. ,  A >.  e.  (
( _V  X.  _V )  X.  _V )  <->  ( <. D ,  H >.  e.  ( _V  X.  _V )  /\  A  e.  _V ) )
9 df-3an 1039 . . 3  |-  ( ( D  e.  _V  /\  H  e.  _V  /\  A  e.  _V )  <->  ( ( D  e.  _V  /\  H  e.  _V )  /\  A  e.  _V ) )
107, 8, 93bitr4i 292 . 2  |-  ( <. <. D ,  H >. ,  A >.  e.  (
( _V  X.  _V )  X.  _V )  <->  ( D  e.  _V  /\  H  e. 
_V  /\  A  e.  _V ) )
115, 10sylib 208 1  |-  ( <. D ,  H ,  A >.  e.  P  -> 
( D  e.  _V  /\  H  e.  _V  /\  A  e.  _V )
)
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    /\ wa 384    /\ w3a 1037    = wceq 1483    e. wcel 1990   _Vcvv 3200   <.cop 4183   <.cotp 4185    X. cxp 5112   ` cfv 5888  mPreStcmpst 31370
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-sbc 3436  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-ot 4186  df-uni 4437  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-iota 5851  df-fun 5890  df-fv 5896  df-mpst 31390
This theorem is referenced by:  elmsta  31445  mclsax  31466
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