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Theorem cdlemeiota 31396
Description: A translation is uniquely determined by one of its values. (Contributed by NM, 18-Apr-2013.)
Hypotheses
Ref Expression
cdlemg1c.l  |-  .<_  =  ( le `  K )
cdlemg1c.a  |-  A  =  ( Atoms `  K )
cdlemg1c.h  |-  H  =  ( LHyp `  K
)
cdlemg1c.t  |-  T  =  ( ( LTrn `  K
) `  W )
Assertion
Ref Expression
cdlemeiota  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  F  e.  T )  ->  F  =  ( iota_ f  e.  T ( f `  P )  =  ( F `  P ) ) )
Distinct variable groups:    A, f    f, F    f, H    f, K   
.<_ , f    P, f    T, f   
f, W

Proof of Theorem cdlemeiota
StepHypRef Expression
1 eqidd 2297 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  F  e.  T )  ->  ( F `  P )  =  ( F `  P ) )
2 simp3 957 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  F  e.  T )  ->  F  e.  T )
3 cdlemg1c.l . . . . . . 7  |-  .<_  =  ( le `  K )
4 cdlemg1c.a . . . . . . 7  |-  A  =  ( Atoms `  K )
5 cdlemg1c.h . . . . . . 7  |-  H  =  ( LHyp `  K
)
6 cdlemg1c.t . . . . . . 7  |-  T  =  ( ( LTrn `  K
) `  W )
73, 4, 5, 6ltrnel 30950 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W ) )  ->  ( ( F `  P )  e.  A  /\  -.  ( F `  P )  .<_  W ) )
873com23 1157 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  F  e.  T )  ->  (
( F `  P
)  e.  A  /\  -.  ( F `  P
)  .<_  W ) )
93, 4, 5, 6cdleme 31371 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  (
( F `  P
)  e.  A  /\  -.  ( F `  P
)  .<_  W ) )  ->  E! f  e.  T  ( f `  P )  =  ( F `  P ) )
108, 9syld3an3 1227 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  F  e.  T )  ->  E! f  e.  T  (
f `  P )  =  ( F `  P ) )
11 fveq1 5540 . . . . . 6  |-  ( f  =  F  ->  (
f `  P )  =  ( F `  P ) )
1211eqeq1d 2304 . . . . 5  |-  ( f  =  F  ->  (
( f `  P
)  =  ( F `
 P )  <->  ( F `  P )  =  ( F `  P ) ) )
1312riota2 6343 . . . 4  |-  ( ( F  e.  T  /\  E! f  e.  T  ( f `  P
)  =  ( F `
 P ) )  ->  ( ( F `
 P )  =  ( F `  P
)  <->  ( iota_ f  e.  T ( f `  P )  =  ( F `  P ) )  =  F ) )
142, 10, 13syl2anc 642 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  F  e.  T )  ->  (
( F `  P
)  =  ( F `
 P )  <->  ( iota_ f  e.  T ( f `
 P )  =  ( F `  P
) )  =  F ) )
151, 14mpbid 201 . 2  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  F  e.  T )  ->  ( iota_ f  e.  T ( f `  P )  =  ( F `  P ) )  =  F )
1615eqcomd 2301 1  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  F  e.  T )  ->  F  =  ( iota_ f  e.  T ( f `  P )  =  ( F `  P ) ) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    <-> wb 176    /\ wa 358    /\ w3a 934    = wceq 1632    e. wcel 1696   E!wreu 2558   class class class wbr 4039   ` cfv 5271   iota_crio 6313   lecple 13231   Atomscatm 30075   HLchlt 30162   LHypclh 30795   LTrncltrn 30912
This theorem is referenced by:  cdlemg1cN  31398  cdlemg1cex  31399  cdlemm10N  31930
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1536  ax-5 1547  ax-17 1606  ax-9 1644  ax-8 1661  ax-13 1698  ax-14 1700  ax-6 1715  ax-7 1720  ax-11 1727  ax-12 1878  ax-ext 2277  ax-rep 4147  ax-sep 4157  ax-nul 4165  ax-pow 4204  ax-pr 4230  ax-un 4528
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 1532  df-nf 1535  df-sb 1639  df-eu 2160  df-mo 2161  df-clab 2283  df-cleq 2289  df-clel 2292  df-nfc 2421  df-ne 2461  df-nel 2462  df-ral 2561  df-rex 2562  df-reu 2563  df-rmo 2564  df-rab 2565  df-v 2803  df-sbc 3005  df-csb 3095  df-dif 3168  df-un 3170  df-in 3172  df-ss 3179  df-nul 3469  df-if 3579  df-pw 3640  df-sn 3659  df-pr 3660  df-op 3662  df-uni 3844  df-iun 3923  df-iin 3924  df-br 4040  df-opab 4094  df-mpt 4095  df-id 4325  df-xp 4711  df-rel 4712  df-cnv 4713  df-co 4714  df-dm 4715  df-rn 4716  df-res 4717  df-ima 4718  df-iota 5235  df-fun 5273  df-fn 5274  df-f 5275  df-f1 5276  df-fo 5277  df-f1o 5278  df-fv 5279  df-ov 5877  df-oprab 5878  df-mpt2 5879  df-1st 6138  df-2nd 6139  df-undef 6314  df-riota 6320  df-map 6790  df-poset 14096  df-plt 14108  df-lub 14124  df-glb 14125  df-join 14126  df-meet 14127  df-p0 14161  df-p1 14162  df-lat 14168  df-clat 14230  df-oposet 29988  df-ol 29990  df-oml 29991  df-covers 30078  df-ats 30079  df-atl 30110  df-cvlat 30134  df-hlat 30163  df-llines 30309  df-lplanes 30310  df-lvols 30311  df-lines 30312  df-psubsp 30314  df-pmap 30315  df-padd 30607  df-lhyp 30799  df-laut 30800  df-ldil 30915  df-ltrn 30916  df-trl 30970
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