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Theorem assa2ass2 14993
Description: Left- and right-associative property of an associative algebra. Notice that the scalars are not commuted! (Contributed by Zhi Wang, 11-Sep-2025.)
Hypotheses
Ref Expression
assa2ass.v  |-  V  =  ( Base `  W
)
assa2ass.f  |-  F  =  (Scalar `  W )
assa2ass.b  |-  B  =  ( Base `  F
)
assa2ass.m  |-  .*  =  ( .r `  F )
assa2ass.s  |-  .x.  =  ( .s `  W )
assa2ass.t  |-  .X.  =  ( .r `  W )
Assertion
Ref Expression
assa2ass2  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  (
( A  .x.  X
)  .X.  ( C  .x.  Y ) )  =  ( ( A  .*  C )  .x.  ( X  .X.  Y ) ) )

Proof of Theorem assa2ass2
StepHypRef Expression
1 simp1 1028 . . 3  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  W  e. AssAlg )
2 simpl 109 . . . 4  |-  ( ( A  e.  B  /\  C  e.  B )  ->  A  e.  B )
323ad2ant2 1050 . . 3  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  A  e.  B )
4 simpl 109 . . . 4  |-  ( ( X  e.  V  /\  Y  e.  V )  ->  X  e.  V )
543ad2ant3 1051 . . 3  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  X  e.  V )
6 assa2ass.v . . . 4  |-  V  =  ( Base `  W
)
7 assa2ass.f . . . 4  |-  F  =  (Scalar `  W )
8 assa2ass.s . . . 4  |-  .x.  =  ( .s `  W )
9 assa2ass.b . . . 4  |-  B  =  ( Base `  F
)
10 assalmod 14989 . . . . 5  |-  ( W  e. AssAlg  ->  W  e.  LMod )
11103ad2ant1 1049 . . . 4  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  W  e.  LMod )
12 simpr 110 . . . . 5  |-  ( ( A  e.  B  /\  C  e.  B )  ->  C  e.  B )
13123ad2ant2 1050 . . . 4  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  C  e.  B )
14 simpr 110 . . . . 5  |-  ( ( X  e.  V  /\  Y  e.  V )  ->  Y  e.  V )
15143ad2ant3 1051 . . . 4  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  Y  e.  V )
166, 7, 8, 9, 11, 13, 15lmodvscld 14625 . . 3  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  ( C  .x.  Y )  e.  V )
17 assa2ass.t . . . 4  |-  .X.  =  ( .r `  W )
186, 7, 9, 8, 17assaass 14987 . . 3  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  X  e.  V  /\  ( C  .x.  Y )  e.  V ) )  ->  ( ( A 
.x.  X )  .X.  ( C  .x.  Y ) )  =  ( A 
.x.  ( X  .X.  ( C  .x.  Y ) ) ) )
191, 3, 5, 16, 18syl13anc 1280 . 2  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  (
( A  .x.  X
)  .X.  ( C  .x.  Y ) )  =  ( A  .x.  ( X  .X.  ( C  .x.  Y ) ) ) )
206, 7, 9, 8, 17assaassr 14988 . . . 4  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  X  e.  V  /\  ( C  .x.  Y )  e.  V ) )  ->  ( X  .X.  ( A  .x.  ( C 
.x.  Y ) ) )  =  ( A 
.x.  ( X  .X.  ( C  .x.  Y ) ) ) )
2120eqcomd 2244 . . 3  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  X  e.  V  /\  ( C  .x.  Y )  e.  V ) )  ->  ( A  .x.  ( X  .X.  ( C 
.x.  Y ) ) )  =  ( X 
.X.  ( A  .x.  ( C  .x.  Y ) ) ) )
221, 3, 5, 16, 21syl13anc 1280 . 2  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  ( A  .x.  ( X  .X.  ( C  .x.  Y ) ) )  =  ( X  .X.  ( A  .x.  ( C  .x.  Y
) ) ) )
23 assa2ass.m . . . . . . 7  |-  .*  =  ( .r `  F )
246, 7, 8, 9, 23lmodvsass 14633 . . . . . 6  |-  ( ( W  e.  LMod  /\  ( A  e.  B  /\  C  e.  B  /\  Y  e.  V )
)  ->  ( ( A  .*  C )  .x.  Y )  =  ( A  .x.  ( C 
.x.  Y ) ) )
2524eqcomd 2244 . . . . 5  |-  ( ( W  e.  LMod  /\  ( A  e.  B  /\  C  e.  B  /\  Y  e.  V )
)  ->  ( A  .x.  ( C  .x.  Y
) )  =  ( ( A  .*  C
)  .x.  Y )
)
2625oveq2d 6095 . . . 4  |-  ( ( W  e.  LMod  /\  ( A  e.  B  /\  C  e.  B  /\  Y  e.  V )
)  ->  ( X  .X.  ( A  .x.  ( C  .x.  Y ) ) )  =  ( X 
.X.  ( ( A  .*  C )  .x.  Y ) ) )
2711, 3, 13, 15, 26syl13anc 1280 . . 3  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  ( X  .X.  ( A  .x.  ( C  .x.  Y ) ) )  =  ( X  .X.  ( ( A  .*  C )  .x.  Y ) ) )
287assasca 14991 . . . . . . 7  |-  ( W  e. AssAlg  ->  F  e.  Ring )
2928adantr 276 . . . . . 6  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )
)  ->  F  e.  Ring )
302adantl 277 . . . . . 6  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )
)  ->  A  e.  B )
3112adantl 277 . . . . . 6  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )
)  ->  C  e.  B )
329, 23, 29, 30, 31ringcld 14305 . . . . 5  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )
)  ->  ( A  .*  C )  e.  B
)
33323adant3 1048 . . . 4  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  ( A  .*  C )  e.  B )
346, 7, 9, 8, 17assaassr 14988 . . . 4  |-  ( ( W  e. AssAlg  /\  (
( A  .*  C
)  e.  B  /\  X  e.  V  /\  Y  e.  V )
)  ->  ( X  .X.  ( ( A  .*  C )  .x.  Y
) )  =  ( ( A  .*  C
)  .x.  ( X  .X.  Y ) ) )
351, 33, 5, 15, 34syl13anc 1280 . . 3  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  ( X  .X.  ( ( A  .*  C )  .x.  Y ) )  =  ( ( A  .*  C )  .x.  ( X  .X.  Y ) ) )
3627, 35eqtrd 2271 . 2  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  ( X  .X.  ( A  .x.  ( C  .x.  Y ) ) )  =  ( ( A  .*  C
)  .x.  ( X  .X.  Y ) ) )
3719, 22, 363eqtrd 2275 1  |-  ( ( W  e. AssAlg  /\  ( A  e.  B  /\  C  e.  B )  /\  ( X  e.  V  /\  Y  e.  V
) )  ->  (
( A  .x.  X
)  .X.  ( C  .x.  Y ) )  =  ( ( A  .*  C )  .x.  ( X  .X.  Y ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    /\ w3a 1009    = wceq 1402    e. wcel 2209   ` cfv 5375  (class class class)co 6079   Basecbs 13335   .rcmulr 13415  Scalarcsca 13417   .scvsca 13418   Ringcrg 14283   LModclmod 14606  AssAlgcasa 14979
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4247  ax-pow 4309  ax-pr 4344  ax-un 4576  ax-setind 4682  ax-cnex 8264  ax-resscn 8265  ax-1cn 8266  ax-1re 8267  ax-icn 8268  ax-addcl 8269  ax-addrcl 8270  ax-mulcl 8271  ax-addcom 8273  ax-addass 8275  ax-i2m1 8278  ax-0lt1 8279  ax-0id 8281  ax-rnegex 8282  ax-pre-ltirr 8285  ax-pre-ltadd 8289
This theorem depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3690  df-sn 3714  df-pr 3715  df-op 3717  df-uni 3934  df-int 3969  df-br 4129  df-opab 4191  df-mpt 4192  df-id 4436  df-xp 4778  df-rel 4779  df-cnv 4780  df-co 4781  df-dm 4782  df-rn 4783  df-res 4784  df-iota 5335  df-fun 5377  df-fn 5378  df-fv 5383  df-ov 6082  df-oprab 6083  df-mpo 6084  df-pnf 8356  df-mnf 8357  df-ltxr 8359  df-inn 9288  df-2 9346  df-3 9347  df-4 9348  df-5 9349  df-6 9350  df-ndx 13338  df-slot 13339  df-base 13341  df-sets 13342  df-plusg 13427  df-mulr 13428  df-sca 13430  df-vsca 13431  df-mgm 13659  df-sgrp 13700  df-mnd 13713  df-mgp 14201  df-ring 14285  df-lmod 14608  df-assa 14982
This theorem is referenced by: (None)
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