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Theorem his35 22590
Description: Move scalar multiplication to outside of inner product. (Contributed by Mario Carneiro, 15-May-2014.) (New usage is discouraged.)
Assertion
Ref Expression
his35  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  (
( A  .h  C
)  .ih  ( B  .h  D ) )  =  ( ( A  x.  ( * `  B
) )  x.  ( C  .ih  D ) ) )

Proof of Theorem his35
StepHypRef Expression
1 his5 22588 . . . . 5  |-  ( ( B  e.  CC  /\  C  e.  ~H  /\  D  e.  ~H )  ->  ( C  .ih  ( B  .h  D ) )  =  ( ( * `  B )  x.  ( C  .ih  D ) ) )
213expb 1154 . . . 4  |-  ( ( B  e.  CC  /\  ( C  e.  ~H  /\  D  e.  ~H )
)  ->  ( C  .ih  ( B  .h  D
) )  =  ( ( * `  B
)  x.  ( C 
.ih  D ) ) )
32adantll 695 . . 3  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  ( C  .ih  ( B  .h  D ) )  =  ( ( * `  B )  x.  ( C  .ih  D ) ) )
43oveq2d 6097 . 2  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  ( A  x.  ( C  .ih  ( B  .h  D
) ) )  =  ( A  x.  (
( * `  B
)  x.  ( C 
.ih  D ) ) ) )
5 simpll 731 . . 3  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  A  e.  CC )
6 simprl 733 . . 3  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  C  e.  ~H )
7 hvmulcl 22516 . . . 4  |-  ( ( B  e.  CC  /\  D  e.  ~H )  ->  ( B  .h  D
)  e.  ~H )
87ad2ant2l 727 . . 3  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  ( B  .h  D )  e.  ~H )
9 ax-his3 22586 . . 3  |-  ( ( A  e.  CC  /\  C  e.  ~H  /\  ( B  .h  D )  e.  ~H )  ->  (
( A  .h  C
)  .ih  ( B  .h  D ) )  =  ( A  x.  ( C  .ih  ( B  .h  D ) ) ) )
105, 6, 8, 9syl3anc 1184 . 2  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  (
( A  .h  C
)  .ih  ( B  .h  D ) )  =  ( A  x.  ( C  .ih  ( B  .h  D ) ) ) )
11 cjcl 11910 . . . 4  |-  ( B  e.  CC  ->  (
* `  B )  e.  CC )
1211ad2antlr 708 . . 3  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  (
* `  B )  e.  CC )
13 hicl 22582 . . . 4  |-  ( ( C  e.  ~H  /\  D  e.  ~H )  ->  ( C  .ih  D
)  e.  CC )
1413adantl 453 . . 3  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  ( C  .ih  D )  e.  CC )
155, 12, 14mulassd 9111 . 2  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  (
( A  x.  (
* `  B )
)  x.  ( C 
.ih  D ) )  =  ( A  x.  ( ( * `  B )  x.  ( C  .ih  D ) ) ) )
164, 10, 153eqtr4d 2478 1  |-  ( ( ( A  e.  CC  /\  B  e.  CC )  /\  ( C  e. 
~H  /\  D  e.  ~H ) )  ->  (
( A  .h  C
)  .ih  ( B  .h  D ) )  =  ( ( A  x.  ( * `  B
) )  x.  ( C  .ih  D ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 359    = wceq 1652    e. wcel 1725   ` cfv 5454  (class class class)co 6081   CCcc 8988    x. cmul 8995   *ccj 11901   ~Hchil 22422    .h csm 22424    .ih csp 22425
This theorem is referenced by:  his35i  22591  pjhthlem1  22893
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-13 1727  ax-14 1729  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2417  ax-sep 4330  ax-nul 4338  ax-pow 4377  ax-pr 4403  ax-un 4701  ax-resscn 9047  ax-1cn 9048  ax-icn 9049  ax-addcl 9050  ax-addrcl 9051  ax-mulcl 9052  ax-mulrcl 9053  ax-mulcom 9054  ax-addass 9055  ax-mulass 9056  ax-distr 9057  ax-i2m1 9058  ax-1ne0 9059  ax-1rid 9060  ax-rnegex 9061  ax-rrecex 9062  ax-cnre 9063  ax-pre-lttri 9064  ax-pre-lttrn 9065  ax-pre-ltadd 9066  ax-pre-mulgt0 9067  ax-hfvmul 22508  ax-hfi 22581  ax-his1 22584  ax-his3 22586
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3or 937  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-eu 2285  df-mo 2286  df-clab 2423  df-cleq 2429  df-clel 2432  df-nfc 2561  df-ne 2601  df-nel 2602  df-ral 2710  df-rex 2711  df-reu 2712  df-rmo 2713  df-rab 2714  df-v 2958  df-sbc 3162  df-csb 3252  df-dif 3323  df-un 3325  df-in 3327  df-ss 3334  df-nul 3629  df-if 3740  df-pw 3801  df-sn 3820  df-pr 3821  df-op 3823  df-uni 4016  df-iun 4095  df-br 4213  df-opab 4267  df-mpt 4268  df-id 4498  df-po 4503  df-so 4504  df-xp 4884  df-rel 4885  df-cnv 4886  df-co 4887  df-dm 4888  df-rn 4889  df-res 4890  df-ima 4891  df-iota 5418  df-fun 5456  df-fn 5457  df-f 5458  df-f1 5459  df-fo 5460  df-f1o 5461  df-fv 5462  df-ov 6084  df-oprab 6085  df-mpt2 6086  df-riota 6549  df-er 6905  df-en 7110  df-dom 7111  df-sdom 7112  df-pnf 9122  df-mnf 9123  df-xr 9124  df-ltxr 9125  df-le 9126  df-sub 9293  df-neg 9294  df-div 9678  df-2 10058  df-cj 11904  df-re 11905  df-im 11906
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