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Theorem tendo1ne0 34312
Description: The identity (unity) is not equal to the zero trace-preserving endomorphism. (Contributed by NM, 8-Aug-2013.)
Hypotheses
Ref Expression
tendoid0.b  |-  B  =  ( Base `  K
)
tendoid0.h  |-  H  =  ( LHyp `  K
)
tendoid0.t  |-  T  =  ( ( LTrn `  K
) `  W )
tendoid0.e  |-  E  =  ( ( TEndo `  K
) `  W )
tendoid0.o  |-  O  =  ( f  e.  T  |->  (  _I  |`  B ) )
Assertion
Ref Expression
tendo1ne0  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  (  _I  |`  T )  =/=  O )
Distinct variable groups:    B, f    T, f
Allowed substitution hints:    E( f)    H( f)    K( f)    O( f)    W( f)

Proof of Theorem tendo1ne0
Dummy variable  g is distinct from all other variables.
StepHypRef Expression
1 tendoid0.b . . 3  |-  B  =  ( Base `  K
)
2 tendoid0.h . . 3  |-  H  =  ( LHyp `  K
)
3 tendoid0.t . . 3  |-  T  =  ( ( LTrn `  K
) `  W )
41, 2, 3cdlemftr0 34052 . 2  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  E. g  e.  T  g  =/=  (  _I  |`  B ) )
5 simp3 990 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  g  e.  T  /\  g  =/=  (  _I  |`  B ) )  ->  g  =/=  (  _I  |`  B ) )
6 fveq1 5685 . . . . . . . 8  |-  ( (  _I  |`  T )  =  O  ->  ( (  _I  |`  T ) `  g )  =  ( O `  g ) )
76adantl 466 . . . . . . 7  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  g  e.  T  /\  g  =/=  (  _I  |`  B ) )  /\  (  _I  |`  T )  =  O )  ->  ( (  _I  |`  T ) `  g )  =  ( O `  g ) )
8 simpl2 992 . . . . . . . 8  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  g  e.  T  /\  g  =/=  (  _I  |`  B ) )  /\  (  _I  |`  T )  =  O )  ->  g  e.  T )
9 fvresi 5899 . . . . . . . 8  |-  ( g  e.  T  ->  (
(  _I  |`  T ) `
 g )  =  g )
108, 9syl 16 . . . . . . 7  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  g  e.  T  /\  g  =/=  (  _I  |`  B ) )  /\  (  _I  |`  T )  =  O )  ->  ( (  _I  |`  T ) `  g )  =  g )
11 tendoid0.o . . . . . . . . 9  |-  O  =  ( f  e.  T  |->  (  _I  |`  B ) )
1211, 1tendo02 34271 . . . . . . . 8  |-  ( g  e.  T  ->  ( O `  g )  =  (  _I  |`  B ) )
138, 12syl 16 . . . . . . 7  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  g  e.  T  /\  g  =/=  (  _I  |`  B ) )  /\  (  _I  |`  T )  =  O )  ->  ( O `  g )  =  (  _I  |`  B )
)
147, 10, 133eqtr3d 2478 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  g  e.  T  /\  g  =/=  (  _I  |`  B ) )  /\  (  _I  |`  T )  =  O )  ->  g  =  (  _I  |`  B ) )
1514ex 434 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  g  e.  T  /\  g  =/=  (  _I  |`  B ) )  ->  ( (  _I  |`  T )  =  O  ->  g  =  (  _I  |`  B )
) )
1615necon3d 2641 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  g  e.  T  /\  g  =/=  (  _I  |`  B ) )  ->  ( g  =/=  (  _I  |`  B )  ->  (  _I  |`  T )  =/=  O ) )
175, 16mpd 15 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  g  e.  T  /\  g  =/=  (  _I  |`  B ) )  ->  (  _I  |`  T )  =/=  O )
1817rexlimdv3a 2838 . 2  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( E. g  e.  T  g  =/=  (  _I  |`  B )  -> 
(  _I  |`  T )  =/=  O ) )
194, 18mpd 15 1  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  (  _I  |`  T )  =/=  O )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    /\ wa 369    /\ w3a 965    = wceq 1369    e. wcel 1756    =/= wne 2601   E.wrex 2711    e. cmpt 4345    _I cid 4626    |` cres 4837   ` cfv 5413   Basecbs 14166   HLchlt 32835   LHypclh 33468   LTrncltrn 33585   TEndoctendo 34236
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1591  ax-4 1602  ax-5 1670  ax-6 1708  ax-7 1728  ax-8 1758  ax-9 1760  ax-10 1775  ax-11 1780  ax-12 1792  ax-13 1943  ax-ext 2419  ax-rep 4398  ax-sep 4408  ax-nul 4416  ax-pow 4465  ax-pr 4526  ax-un 6367  ax-riotaBAD 32444
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3or 966  df-3an 967  df-tru 1372  df-ex 1587  df-nf 1590  df-sb 1701  df-eu 2256  df-mo 2257  df-clab 2425  df-cleq 2431  df-clel 2434  df-nfc 2563  df-ne 2603  df-nel 2604  df-ral 2715  df-rex 2716  df-reu 2717  df-rmo 2718  df-rab 2719  df-v 2969  df-sbc 3182  df-csb 3284  df-dif 3326  df-un 3328  df-in 3330  df-ss 3337  df-nul 3633  df-if 3787  df-pw 3857  df-sn 3873  df-pr 3875  df-op 3879  df-uni 4087  df-iun 4168  df-iin 4169  df-br 4288  df-opab 4346  df-mpt 4347  df-id 4631  df-xp 4841  df-rel 4842  df-cnv 4843  df-co 4844  df-dm 4845  df-rn 4846  df-res 4847  df-ima 4848  df-iota 5376  df-fun 5415  df-fn 5416  df-f 5417  df-f1 5418  df-fo 5419  df-f1o 5420  df-fv 5421  df-riota 6047  df-ov 6089  df-oprab 6090  df-mpt2 6091  df-1st 6572  df-2nd 6573  df-undef 6784  df-map 7208  df-poset 15108  df-plt 15120  df-lub 15136  df-glb 15137  df-join 15138  df-meet 15139  df-p0 15201  df-p1 15202  df-lat 15208  df-clat 15270  df-oposet 32661  df-ol 32663  df-oml 32664  df-covers 32751  df-ats 32752  df-atl 32783  df-cvlat 32807  df-hlat 32836  df-llines 32982  df-lplanes 32983  df-lvols 32984  df-lines 32985  df-psubsp 32987  df-pmap 32988  df-padd 33280  df-lhyp 33472  df-laut 33473  df-ldil 33588  df-ltrn 33589  df-trl 33643
This theorem is referenced by:  cdleml9  34468  erngdvlem4  34475  erng1r  34479  erngdvlem4-rN  34483  dvalveclem  34510  dvheveccl  34597  dihord6apre  34741  dihatlat  34819
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