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Theorem ressascl 15022
Description: The lifting of scalars is invariant between subalgebras and superalgebras. (Contributed by Mario Carneiro, 9-Mar-2015.)
Hypotheses
Ref Expression
ressascl.a 𝐴 = (algSc‘𝑊)
ressascl.x 𝑋 = (𝑊s 𝑆)
Assertion
Ref Expression
ressascl (𝑆 ∈ (SubRing‘𝑊) → 𝐴 = (algSc‘𝑋))

Proof of Theorem ressascl
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 subrgrcl 14517 . . . . 5 (𝑆 ∈ (SubRing‘𝑊) → 𝑊 ∈ Ring)
2 ressascl.x . . . . . 6 𝑋 = (𝑊s 𝑆)
3 eqid 2238 . . . . . 6 (Scalar‘𝑊) = (Scalar‘𝑊)
42, 3ressscag 13520 . . . . 5 ((𝑊 ∈ Ring ∧ 𝑆 ∈ (SubRing‘𝑊)) → (Scalar‘𝑊) = (Scalar‘𝑋))
51, 4mpancom 426 . . . 4 (𝑆 ∈ (SubRing‘𝑊) → (Scalar‘𝑊) = (Scalar‘𝑋))
65fveq2d 5697 . . 3 (𝑆 ∈ (SubRing‘𝑊) → (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑋)))
7 eqid 2238 . . . . . 6 ( ·𝑠𝑊) = ( ·𝑠𝑊)
82, 7ressvscag 13521 . . . . 5 ((𝑊 ∈ Ring ∧ 𝑆 ∈ (SubRing‘𝑊)) → ( ·𝑠𝑊) = ( ·𝑠𝑋))
91, 8mpancom 426 . . . 4 (𝑆 ∈ (SubRing‘𝑊) → ( ·𝑠𝑊) = ( ·𝑠𝑋))
10 eqidd 2239 . . . 4 (𝑆 ∈ (SubRing‘𝑊) → 𝑥 = 𝑥)
11 eqid 2238 . . . . 5 (1r𝑊) = (1r𝑊)
122, 11subrg1 14522 . . . 4 (𝑆 ∈ (SubRing‘𝑊) → (1r𝑊) = (1r𝑋))
139, 10, 12oveq123d 6100 . . 3 (𝑆 ∈ (SubRing‘𝑊) → (𝑥( ·𝑠𝑊)(1r𝑊)) = (𝑥( ·𝑠𝑋)(1r𝑋)))
146, 13mpteq12dv 4211 . 2 (𝑆 ∈ (SubRing‘𝑊) → (𝑥 ∈ (Base‘(Scalar‘𝑊)) ↦ (𝑥( ·𝑠𝑊)(1r𝑊))) = (𝑥 ∈ (Base‘(Scalar‘𝑋)) ↦ (𝑥( ·𝑠𝑋)(1r𝑋))))
15 ressascl.a . . 3 𝐴 = (algSc‘𝑊)
16 eqid 2238 . . 3 (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊))
1715, 3, 16, 7, 11asclfval 15004 . 2 𝐴 = (𝑥 ∈ (Base‘(Scalar‘𝑊)) ↦ (𝑥( ·𝑠𝑊)(1r𝑊)))
18 eqid 2238 . . 3 (algSc‘𝑋) = (algSc‘𝑋)
19 eqid 2238 . . 3 (Scalar‘𝑋) = (Scalar‘𝑋)
20 eqid 2238 . . 3 (Base‘(Scalar‘𝑋)) = (Base‘(Scalar‘𝑋))
21 eqid 2238 . . 3 ( ·𝑠𝑋) = ( ·𝑠𝑋)
22 eqid 2238 . . 3 (1r𝑋) = (1r𝑋)
2318, 19, 20, 21, 22asclfval 15004 . 2 (algSc‘𝑋) = (𝑥 ∈ (Base‘(Scalar‘𝑋)) ↦ (𝑥( ·𝑠𝑋)(1r𝑋)))
2414, 17, 233eqtr4g 2296 1 (𝑆 ∈ (SubRing‘𝑊) → 𝐴 = (algSc‘𝑋))
Colors of variables: wff set class
Syntax hints:  wi 4   = wceq 1402  wcel 2209  cmpt 4190  cfv 5375  (class class class)co 6079  Basecbs 13335  s cress 13336  Scalarcsca 13417   ·𝑠 cvsca 13418  1rcur 14245  Ringcrg 14283  SubRingcsubrg 14508  algSccascl 14981
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-coll 4244  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-lttrn 8287  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-reu 2535  df-rmo 2536  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-iun 4012  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-ima 4785  df-iota 5335  df-fun 5377  df-fn 5378  df-f 5379  df-f1 5380  df-fo 5381  df-f1o 5382  df-fv 5383  df-riota 6032  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-iress 13343  df-plusg 13427  df-mulr 13428  df-sca 13430  df-vsca 13431  df-0g 13595  df-mgm 13659  df-sgrp 13700  df-mnd 13713  df-subg 13956  df-mgp 14201  df-ur 14246  df-ring 14285  df-subrg 14510  df-ascl 14984
This theorem is referenced by: (None)
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