Users' Mathboxes Mathbox for Stefan O'Rear < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  pmtrfmvdn0 Unicode version

Theorem pmtrfmvdn0 27403
Description: A transpositon moves at least one point. (Contributed by Stefan O'Rear, 23-Aug-2015.)
Hypotheses
Ref Expression
pmtrrn.t  |-  T  =  (pmTrsp `  D )
pmtrrn.r  |-  R  =  ran  T
Assertion
Ref Expression
pmtrfmvdn0  |-  ( F  e.  R  ->  dom  ( F  \  _I  )  =/=  (/) )

Proof of Theorem pmtrfmvdn0
StepHypRef Expression
1 2on0 6488 . 2  |-  2o  =/=  (/)
2 pmtrrn.t . . . . . . . 8  |-  T  =  (pmTrsp `  D )
3 pmtrrn.r . . . . . . . 8  |-  R  =  ran  T
4 eqid 2283 . . . . . . . 8  |-  dom  ( F  \  _I  )  =  dom  ( F  \  _I  )
52, 3, 4pmtrfrn 27400 . . . . . . 7  |-  ( F  e.  R  ->  (
( D  e.  _V  /\ 
dom  ( F  \  _I  )  C_  D  /\  dom  ( F  \  _I  )  ~~  2o )  /\  F  =  ( T `  dom  ( F  \  _I  ) ) ) )
65simpld 445 . . . . . 6  |-  ( F  e.  R  ->  ( D  e.  _V  /\  dom  ( F  \  _I  )  C_  D  /\  dom  ( F  \  _I  )  ~~  2o ) )
76simp3d 969 . . . . 5  |-  ( F  e.  R  ->  dom  ( F  \  _I  )  ~~  2o )
8 enen1 7001 . . . . 5  |-  ( dom  ( F  \  _I  )  ~~  2o  ->  ( dom  ( F  \  _I  )  ~~  (/)  <->  2o  ~~  (/) ) )
97, 8syl 15 . . . 4  |-  ( F  e.  R  ->  ( dom  ( F  \  _I  )  ~~  (/)  <->  2o  ~~  (/) ) )
10 en0 6924 . . . 4  |-  ( dom  ( F  \  _I  )  ~~  (/)  <->  dom  ( F  \  _I  )  =  (/) )
11 en0 6924 . . . 4  |-  ( 2o 
~~  (/)  <->  2o  =  (/) )
129, 10, 113bitr3g 278 . . 3  |-  ( F  e.  R  ->  ( dom  ( F  \  _I  )  =  (/)  <->  2o  =  (/) ) )
1312necon3bid 2481 . 2  |-  ( F  e.  R  ->  ( dom  ( F  \  _I  )  =/=  (/)  <->  2o  =/=  (/) ) )
141, 13mpbiri 224 1  |-  ( F  e.  R  ->  dom  ( F  \  _I  )  =/=  (/) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    <-> wb 176    /\ w3a 934    = wceq 1623    e. wcel 1684    =/= wne 2446   _Vcvv 2788    \ cdif 3149    C_ wss 3152   (/)c0 3455   class class class wbr 4023    _I cid 4304   dom cdm 4689   ran crn 4690   ` cfv 5255   2oc2o 6473    ~~ cen 6860  pmTrspcpmtr 27384
This theorem is referenced by:  psgnunilem3  27419
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1533  ax-5 1544  ax-17 1603  ax-9 1635  ax-8 1643  ax-13 1686  ax-14 1688  ax-6 1703  ax-7 1708  ax-11 1715  ax-12 1866  ax-ext 2264  ax-rep 4131  ax-sep 4141  ax-nul 4149  ax-pow 4188  ax-pr 4214  ax-un 4512
This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3or 935  df-3an 936  df-tru 1310  df-ex 1529  df-nf 1532  df-sb 1630  df-eu 2147  df-mo 2148  df-clab 2270  df-cleq 2276  df-clel 2279  df-nfc 2408  df-ne 2448  df-ral 2548  df-rex 2549  df-reu 2550  df-rab 2552  df-v 2790  df-sbc 2992  df-csb 3082  df-dif 3155  df-un 3157  df-in 3159  df-ss 3166  df-pss 3168  df-nul 3456  df-if 3566  df-pw 3627  df-sn 3646  df-pr 3647  df-tp 3648  df-op 3649  df-uni 3828  df-iun 3907  df-br 4024  df-opab 4078  df-mpt 4079  df-tr 4114  df-eprel 4305  df-id 4309  df-po 4314  df-so 4315  df-fr 4352  df-we 4354  df-ord 4395  df-on 4396  df-lim 4397  df-suc 4398  df-om 4657  df-xp 4695  df-rel 4696  df-cnv 4697  df-co 4698  df-dm 4699  df-rn 4700  df-res 4701  df-ima 4702  df-iota 5219  df-fun 5257  df-fn 5258  df-f 5259  df-f1 5260  df-fo 5261  df-f1o 5262  df-fv 5263  df-1o 6479  df-2o 6480  df-er 6660  df-en 6864  df-fin 6867  df-pmtr 27385
  Copyright terms: Public domain W3C validator