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Theorem hvnegdii 22517
Description: Distribution of negative over subtraction. (Contributed by NM, 31-Oct-1999.) (New usage is discouraged.)
Hypotheses
Ref Expression
hvnegdi.1  |-  A  e. 
~H
hvnegdi.2  |-  B  e. 
~H
Assertion
Ref Expression
hvnegdii  |-  ( -u
1  .h  ( A  -h  B ) )  =  ( B  -h  A )

Proof of Theorem hvnegdii
StepHypRef Expression
1 hvnegdi.1 . . . 4  |-  A  e. 
~H
2 hvnegdi.2 . . . 4  |-  B  e. 
~H
31, 2hvsubvali 22476 . . 3  |-  ( A  -h  B )  =  ( A  +h  ( -u 1  .h  B ) )
43oveq2i 6051 . 2  |-  ( -u
1  .h  ( A  -h  B ) )  =  ( -u 1  .h  ( A  +h  ( -u 1  .h  B ) ) )
5 neg1cn 10023 . . 3  |-  -u 1  e.  CC
65, 2hvmulcli 22470 . . 3  |-  ( -u
1  .h  B )  e.  ~H
75, 1, 6hvdistr1i 22506 . 2  |-  ( -u
1  .h  ( A  +h  ( -u 1  .h  B ) ) )  =  ( ( -u
1  .h  A )  +h  ( -u 1  .h  ( -u 1  .h  B ) ) )
8 ax-1cn 9004 . . . . . . . 8  |-  1  e.  CC
98, 8mul2negi 9437 . . . . . . 7  |-  ( -u
1  x.  -u 1
)  =  ( 1  x.  1 )
10 1t1e1 10082 . . . . . . 7  |-  ( 1  x.  1 )  =  1
119, 10eqtri 2424 . . . . . 6  |-  ( -u
1  x.  -u 1
)  =  1
1211oveq1i 6050 . . . . 5  |-  ( (
-u 1  x.  -u 1
)  .h  B )  =  ( 1  .h  B )
135, 5, 2hvmulassi 22501 . . . . 5  |-  ( (
-u 1  x.  -u 1
)  .h  B )  =  ( -u 1  .h  ( -u 1  .h  B ) )
14 ax-hvmulid 22462 . . . . . 6  |-  ( B  e.  ~H  ->  (
1  .h  B )  =  B )
152, 14ax-mp 8 . . . . 5  |-  ( 1  .h  B )  =  B
1612, 13, 153eqtr3i 2432 . . . 4  |-  ( -u
1  .h  ( -u
1  .h  B ) )  =  B
1716oveq1i 6050 . . 3  |-  ( (
-u 1  .h  ( -u 1  .h  B ) )  +h  ( -u
1  .h  A ) )  =  ( B  +h  ( -u 1  .h  A ) )
185, 1hvmulcli 22470 . . . 4  |-  ( -u
1  .h  A )  e.  ~H
195, 6hvmulcli 22470 . . . 4  |-  ( -u
1  .h  ( -u
1  .h  B ) )  e.  ~H
2018, 19hvcomi 22475 . . 3  |-  ( (
-u 1  .h  A
)  +h  ( -u
1  .h  ( -u
1  .h  B ) ) )  =  ( ( -u 1  .h  ( -u 1  .h  B ) )  +h  ( -u 1  .h  A ) )
212, 1hvsubvali 22476 . . 3  |-  ( B  -h  A )  =  ( B  +h  ( -u 1  .h  A ) )
2217, 20, 213eqtr4i 2434 . 2  |-  ( (
-u 1  .h  A
)  +h  ( -u
1  .h  ( -u
1  .h  B ) ) )  =  ( B  -h  A )
234, 7, 223eqtri 2428 1  |-  ( -u
1  .h  ( A  -h  B ) )  =  ( B  -h  A )
Colors of variables: wff set class
Syntax hints:    = wceq 1649    e. wcel 1721  (class class class)co 6040   1c1 8947    x. cmul 8951   -ucneg 9248   ~Hchil 22375    +h cva 22376    .h csm 22377    -h cmv 22381
This theorem is referenced by:  hvnegdi  22522  hisubcomi  22559  normsubi  22596  normpar2i  22611  pjsslem  23134  pjcji  23139
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1552  ax-5 1563  ax-17 1623  ax-9 1662  ax-8 1683  ax-13 1723  ax-14 1725  ax-6 1740  ax-7 1745  ax-11 1757  ax-12 1946  ax-ext 2385  ax-sep 4290  ax-nul 4298  ax-pow 4337  ax-pr 4363  ax-un 4660  ax-resscn 9003  ax-1cn 9004  ax-icn 9005  ax-addcl 9006  ax-addrcl 9007  ax-mulcl 9008  ax-mulrcl 9009  ax-mulcom 9010  ax-addass 9011  ax-mulass 9012  ax-distr 9013  ax-i2m1 9014  ax-1ne0 9015  ax-1rid 9016  ax-rnegex 9017  ax-rrecex 9018  ax-cnre 9019  ax-pre-lttri 9020  ax-pre-lttrn 9021  ax-pre-ltadd 9022  ax-hvcom 22457  ax-hfvmul 22461  ax-hvmulid 22462  ax-hvmulass 22463  ax-hvdistr1 22464
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3or 937  df-3an 938  df-tru 1325  df-ex 1548  df-nf 1551  df-sb 1656  df-eu 2258  df-mo 2259  df-clab 2391  df-cleq 2397  df-clel 2400  df-nfc 2529  df-ne 2569  df-nel 2570  df-ral 2671  df-rex 2672  df-reu 2673  df-rab 2675  df-v 2918  df-sbc 3122  df-csb 3212  df-dif 3283  df-un 3285  df-in 3287  df-ss 3294  df-nul 3589  df-if 3700  df-pw 3761  df-sn 3780  df-pr 3781  df-op 3783  df-uni 3976  df-iun 4055  df-br 4173  df-opab 4227  df-mpt 4228  df-id 4458  df-po 4463  df-so 4464  df-xp 4843  df-rel 4844  df-cnv 4845  df-co 4846  df-dm 4847  df-rn 4848  df-res 4849  df-ima 4850  df-iota 5377  df-fun 5415  df-fn 5416  df-f 5417  df-f1 5418  df-fo 5419  df-f1o 5420  df-fv 5421  df-ov 6043  df-oprab 6044  df-mpt2 6045  df-riota 6508  df-er 6864  df-en 7069  df-dom 7070  df-sdom 7071  df-pnf 9078  df-mnf 9079  df-ltxr 9081  df-sub 9249  df-neg 9250  df-hvsub 22427
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