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Theorem hhssabloilem 29524
Description: Lemma for hhssabloi 29525. Formerly part of proof for hhssabloi 29525 which was based on the deprecated definition "SubGrpOp" for subgroups. (Contributed by NM, 9-Apr-2008.) (Revised by Mario Carneiro, 23-Dec-2013.) (Revised by AV, 27-Aug-2021.) (New usage is discouraged.)
Hypothesis
Ref Expression
hhssabl.1 𝐻S
Assertion
Ref Expression
hhssabloilem ( + ∈ GrpOp ∧ ( + ↾ (𝐻 × 𝐻)) ∈ GrpOp ∧ ( + ↾ (𝐻 × 𝐻)) ⊆ + )

Proof of Theorem hhssabloilem
Dummy variables 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 hilablo 29423 . . 3 + ∈ AbelOp
2 ablogrpo 28810 . . 3 ( + ∈ AbelOp → + ∈ GrpOp)
31, 2ax-mp 5 . 2 + ∈ GrpOp
4 hhssabl.1 . . . 4 𝐻S
54elexi 3441 . . 3 𝐻 ∈ V
6 eqid 2738 . . . . . . . 8 ran + = ran +
76grpofo 28762 . . . . . . 7 ( + ∈ GrpOp → + :(ran + × ran + )–onto→ran + )
8 fof 6672 . . . . . . 7 ( + :(ran + × ran + )–onto→ran + → + :(ran + × ran + )⟶ran + )
93, 7, 8mp2b 10 . . . . . 6 + :(ran + × ran + )⟶ran +
104shssii 29476 . . . . . . . 8 𝐻 ⊆ ℋ
11 df-hba 29232 . . . . . . . . 9 ℋ = (BaseSet‘⟨⟨ + , · ⟩, norm⟩)
12 eqid 2738 . . . . . . . . . 10 ⟨⟨ + , · ⟩, norm⟩ = ⟨⟨ + , · ⟩, norm
1312hhva 29429 . . . . . . . . 9 + = ( +𝑣 ‘⟨⟨ + , · ⟩, norm⟩)
1411, 13bafval 28867 . . . . . . . 8 ℋ = ran +
1510, 14sseqtri 3953 . . . . . . 7 𝐻 ⊆ ran +
16 xpss12 5595 . . . . . . 7 ((𝐻 ⊆ ran +𝐻 ⊆ ran + ) → (𝐻 × 𝐻) ⊆ (ran + × ran + ))
1715, 15, 16mp2an 688 . . . . . 6 (𝐻 × 𝐻) ⊆ (ran + × ran + )
18 fssres 6624 . . . . . 6 (( + :(ran + × ran + )⟶ran + ∧ (𝐻 × 𝐻) ⊆ (ran + × ran + )) → ( + ↾ (𝐻 × 𝐻)):(𝐻 × 𝐻)⟶ran + )
199, 17, 18mp2an 688 . . . . 5 ( + ↾ (𝐻 × 𝐻)):(𝐻 × 𝐻)⟶ran +
20 ffn 6584 . . . . 5 (( + ↾ (𝐻 × 𝐻)):(𝐻 × 𝐻)⟶ran + → ( + ↾ (𝐻 × 𝐻)) Fn (𝐻 × 𝐻))
2119, 20ax-mp 5 . . . 4 ( + ↾ (𝐻 × 𝐻)) Fn (𝐻 × 𝐻)
22 ovres 7416 . . . . . 6 ((𝑥𝐻𝑦𝐻) → (𝑥( + ↾ (𝐻 × 𝐻))𝑦) = (𝑥 + 𝑦))
23 shaddcl 29480 . . . . . . 7 ((𝐻S𝑥𝐻𝑦𝐻) → (𝑥 + 𝑦) ∈ 𝐻)
244, 23mp3an1 1446 . . . . . 6 ((𝑥𝐻𝑦𝐻) → (𝑥 + 𝑦) ∈ 𝐻)
2522, 24eqeltrd 2839 . . . . 5 ((𝑥𝐻𝑦𝐻) → (𝑥( + ↾ (𝐻 × 𝐻))𝑦) ∈ 𝐻)
2625rgen2 3126 . . . 4 𝑥𝐻𝑦𝐻 (𝑥( + ↾ (𝐻 × 𝐻))𝑦) ∈ 𝐻
27 ffnov 7379 . . . 4 (( + ↾ (𝐻 × 𝐻)):(𝐻 × 𝐻)⟶𝐻 ↔ (( + ↾ (𝐻 × 𝐻)) Fn (𝐻 × 𝐻) ∧ ∀𝑥𝐻𝑦𝐻 (𝑥( + ↾ (𝐻 × 𝐻))𝑦) ∈ 𝐻))
2821, 26, 27mpbir2an 707 . . 3 ( + ↾ (𝐻 × 𝐻)):(𝐻 × 𝐻)⟶𝐻
2922oveq1d 7270 . . . . 5 ((𝑥𝐻𝑦𝐻) → ((𝑥( + ↾ (𝐻 × 𝐻))𝑦) + 𝑧) = ((𝑥 + 𝑦) + 𝑧))
30293adant3 1130 . . . 4 ((𝑥𝐻𝑦𝐻𝑧𝐻) → ((𝑥( + ↾ (𝐻 × 𝐻))𝑦) + 𝑧) = ((𝑥 + 𝑦) + 𝑧))
31 ovres 7416 . . . . 5 (((𝑥( + ↾ (𝐻 × 𝐻))𝑦) ∈ 𝐻𝑧𝐻) → ((𝑥( + ↾ (𝐻 × 𝐻))𝑦)( + ↾ (𝐻 × 𝐻))𝑧) = ((𝑥( + ↾ (𝐻 × 𝐻))𝑦) + 𝑧))
3225, 31stoic3 1780 . . . 4 ((𝑥𝐻𝑦𝐻𝑧𝐻) → ((𝑥( + ↾ (𝐻 × 𝐻))𝑦)( + ↾ (𝐻 × 𝐻))𝑧) = ((𝑥( + ↾ (𝐻 × 𝐻))𝑦) + 𝑧))
33 ovres 7416 . . . . . . 7 ((𝑦𝐻𝑧𝐻) → (𝑦( + ↾ (𝐻 × 𝐻))𝑧) = (𝑦 + 𝑧))
3433oveq2d 7271 . . . . . 6 ((𝑦𝐻𝑧𝐻) → (𝑥 + (𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = (𝑥 + (𝑦 + 𝑧)))
35343adant1 1128 . . . . 5 ((𝑥𝐻𝑦𝐻𝑧𝐻) → (𝑥 + (𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = (𝑥 + (𝑦 + 𝑧)))
3628fovcl 7380 . . . . . . 7 ((𝑦𝐻𝑧𝐻) → (𝑦( + ↾ (𝐻 × 𝐻))𝑧) ∈ 𝐻)
37 ovres 7416 . . . . . . 7 ((𝑥𝐻 ∧ (𝑦( + ↾ (𝐻 × 𝐻))𝑧) ∈ 𝐻) → (𝑥( + ↾ (𝐻 × 𝐻))(𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = (𝑥 + (𝑦( + ↾ (𝐻 × 𝐻))𝑧)))
3836, 37sylan2 592 . . . . . 6 ((𝑥𝐻 ∧ (𝑦𝐻𝑧𝐻)) → (𝑥( + ↾ (𝐻 × 𝐻))(𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = (𝑥 + (𝑦( + ↾ (𝐻 × 𝐻))𝑧)))
39383impb 1113 . . . . 5 ((𝑥𝐻𝑦𝐻𝑧𝐻) → (𝑥( + ↾ (𝐻 × 𝐻))(𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = (𝑥 + (𝑦( + ↾ (𝐻 × 𝐻))𝑧)))
4015sseli 3913 . . . . . 6 (𝑥𝐻𝑥 ∈ ran + )
4115sseli 3913 . . . . . 6 (𝑦𝐻𝑦 ∈ ran + )
4215sseli 3913 . . . . . 6 (𝑧𝐻𝑧 ∈ ran + )
436grpoass 28766 . . . . . . 7 (( + ∈ GrpOp ∧ (𝑥 ∈ ran +𝑦 ∈ ran +𝑧 ∈ ran + )) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧)))
443, 43mpan 686 . . . . . 6 ((𝑥 ∈ ran +𝑦 ∈ ran +𝑧 ∈ ran + ) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧)))
4540, 41, 42, 44syl3an 1158 . . . . 5 ((𝑥𝐻𝑦𝐻𝑧𝐻) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧)))
4635, 39, 453eqtr4d 2788 . . . 4 ((𝑥𝐻𝑦𝐻𝑧𝐻) → (𝑥( + ↾ (𝐻 × 𝐻))(𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = ((𝑥 + 𝑦) + 𝑧))
4730, 32, 463eqtr4d 2788 . . 3 ((𝑥𝐻𝑦𝐻𝑧𝐻) → ((𝑥( + ↾ (𝐻 × 𝐻))𝑦)( + ↾ (𝐻 × 𝐻))𝑧) = (𝑥( + ↾ (𝐻 × 𝐻))(𝑦( + ↾ (𝐻 × 𝐻))𝑧)))
48 hilid 29424 . . . 4 (GId‘ + ) = 0
49 sh0 29479 . . . . 5 (𝐻S → 0𝐻)
504, 49ax-mp 5 . . . 4 0𝐻
5148, 50eqeltri 2835 . . 3 (GId‘ + ) ∈ 𝐻
52 ovres 7416 . . . . 5 (((GId‘ + ) ∈ 𝐻𝑥𝐻) → ((GId‘ + )( + ↾ (𝐻 × 𝐻))𝑥) = ((GId‘ + ) + 𝑥))
5351, 52mpan 686 . . . 4 (𝑥𝐻 → ((GId‘ + )( + ↾ (𝐻 × 𝐻))𝑥) = ((GId‘ + ) + 𝑥))
54 eqid 2738 . . . . . 6 (GId‘ + ) = (GId‘ + )
556, 54grpolid 28779 . . . . 5 (( + ∈ GrpOp ∧ 𝑥 ∈ ran + ) → ((GId‘ + ) + 𝑥) = 𝑥)
563, 40, 55sylancr 586 . . . 4 (𝑥𝐻 → ((GId‘ + ) + 𝑥) = 𝑥)
5753, 56eqtrd 2778 . . 3 (𝑥𝐻 → ((GId‘ + )( + ↾ (𝐻 × 𝐻))𝑥) = 𝑥)
5812hhnv 29428 . . . . . . 7 ⟨⟨ + , · ⟩, norm⟩ ∈ NrmCVec
5912hhsm 29432 . . . . . . . 8 · = ( ·𝑠OLD ‘⟨⟨ + , · ⟩, norm⟩)
60 eqid 2738 . . . . . . . 8 ( ·(2nd ↾ ({-1} × V))) = ( ·(2nd ↾ ({-1} × V)))
6113, 59, 60nvinvfval 28903 . . . . . . 7 (⟨⟨ + , · ⟩, norm⟩ ∈ NrmCVec → ( ·(2nd ↾ ({-1} × V))) = (inv‘ + ))
6258, 61ax-mp 5 . . . . . 6 ( ·(2nd ↾ ({-1} × V))) = (inv‘ + )
6362eqcomi 2747 . . . . 5 (inv‘ + ) = ( ·(2nd ↾ ({-1} × V)))
6463fveq1i 6757 . . . 4 ((inv‘ + )‘𝑥) = (( ·(2nd ↾ ({-1} × V)))‘𝑥)
65 ax-hfvmul 29268 . . . . . . 7 · :(ℂ × ℋ)⟶ ℋ
66 ffn 6584 . . . . . . 7 ( · :(ℂ × ℋ)⟶ ℋ → · Fn (ℂ × ℋ))
6765, 66ax-mp 5 . . . . . 6 · Fn (ℂ × ℋ)
68 neg1cn 12017 . . . . . 6 -1 ∈ ℂ
6960curry1val 7916 . . . . . 6 (( · Fn (ℂ × ℋ) ∧ -1 ∈ ℂ) → (( ·(2nd ↾ ({-1} × V)))‘𝑥) = (-1 · 𝑥))
7067, 68, 69mp2an 688 . . . . 5 (( ·(2nd ↾ ({-1} × V)))‘𝑥) = (-1 · 𝑥)
71 shmulcl 29481 . . . . . 6 ((𝐻S ∧ -1 ∈ ℂ ∧ 𝑥𝐻) → (-1 · 𝑥) ∈ 𝐻)
724, 68, 71mp3an12 1449 . . . . 5 (𝑥𝐻 → (-1 · 𝑥) ∈ 𝐻)
7370, 72eqeltrid 2843 . . . 4 (𝑥𝐻 → (( ·(2nd ↾ ({-1} × V)))‘𝑥) ∈ 𝐻)
7464, 73eqeltrid 2843 . . 3 (𝑥𝐻 → ((inv‘ + )‘𝑥) ∈ 𝐻)
75 ovres 7416 . . . . 5 ((((inv‘ + )‘𝑥) ∈ 𝐻𝑥𝐻) → (((inv‘ + )‘𝑥)( + ↾ (𝐻 × 𝐻))𝑥) = (((inv‘ + )‘𝑥) + 𝑥))
7674, 75mpancom 684 . . . 4 (𝑥𝐻 → (((inv‘ + )‘𝑥)( + ↾ (𝐻 × 𝐻))𝑥) = (((inv‘ + )‘𝑥) + 𝑥))
77 eqid 2738 . . . . . 6 (inv‘ + ) = (inv‘ + )
786, 54, 77grpolinv 28789 . . . . 5 (( + ∈ GrpOp ∧ 𝑥 ∈ ran + ) → (((inv‘ + )‘𝑥) + 𝑥) = (GId‘ + ))
793, 40, 78sylancr 586 . . . 4 (𝑥𝐻 → (((inv‘ + )‘𝑥) + 𝑥) = (GId‘ + ))
8076, 79eqtrd 2778 . . 3 (𝑥𝐻 → (((inv‘ + )‘𝑥)( + ↾ (𝐻 × 𝐻))𝑥) = (GId‘ + ))
815, 28, 47, 51, 57, 74, 80isgrpoi 28761 . 2 ( + ↾ (𝐻 × 𝐻)) ∈ GrpOp
82 resss 5905 . 2 ( + ↾ (𝐻 × 𝐻)) ⊆ +
833, 81, 823pm3.2i 1337 1 ( + ∈ GrpOp ∧ ( + ↾ (𝐻 × 𝐻)) ∈ GrpOp ∧ ( + ↾ (𝐻 × 𝐻)) ⊆ + )
Colors of variables: wff setvar class
Syntax hints:  wa 395  w3a 1085   = wceq 1539  wcel 2108  wral 3063  Vcvv 3422  wss 3883  {csn 4558  cop 4564   × cxp 5578  ccnv 5579  ran crn 5581  cres 5582  ccom 5584   Fn wfn 6413  wf 6414  ontowfo 6416  cfv 6418  (class class class)co 7255  2nd c2nd 7803  cc 10800  1c1 10803  -cneg 11136  GrpOpcgr 28752  GIdcgi 28753  invcgn 28754  AbelOpcablo 28807  NrmCVeccnv 28847  chba 29182   + cva 29183   · csm 29184  normcno 29186  0c0v 29187   S csh 29191
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-rep 5205  ax-sep 5218  ax-nul 5225  ax-pow 5283  ax-pr 5347  ax-un 7566  ax-cnex 10858  ax-resscn 10859  ax-1cn 10860  ax-icn 10861  ax-addcl 10862  ax-addrcl 10863  ax-mulcl 10864  ax-mulrcl 10865  ax-mulcom 10866  ax-addass 10867  ax-mulass 10868  ax-distr 10869  ax-i2m1 10870  ax-1ne0 10871  ax-1rid 10872  ax-rnegex 10873  ax-rrecex 10874  ax-cnre 10875  ax-pre-lttri 10876  ax-pre-lttrn 10877  ax-pre-ltadd 10878  ax-pre-mulgt0 10879  ax-pre-sup 10880  ax-hilex 29262  ax-hfvadd 29263  ax-hvcom 29264  ax-hvass 29265  ax-hv0cl 29266  ax-hvaddid 29267  ax-hfvmul 29268  ax-hvmulid 29269  ax-hvmulass 29270  ax-hvdistr1 29271  ax-hvdistr2 29272  ax-hvmul0 29273  ax-hfi 29342  ax-his1 29345  ax-his2 29346  ax-his3 29347  ax-his4 29348
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-nel 3049  df-ral 3068  df-rex 3069  df-reu 3070  df-rmo 3071  df-rab 3072  df-v 3424  df-sbc 3712  df-csb 3829  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-pss 3902  df-nul 4254  df-if 4457  df-pw 4532  df-sn 4559  df-pr 4561  df-tp 4563  df-op 4565  df-uni 4837  df-iun 4923  df-br 5071  df-opab 5133  df-mpt 5154  df-tr 5188  df-id 5480  df-eprel 5486  df-po 5494  df-so 5495  df-fr 5535  df-we 5537  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-rn 5591  df-res 5592  df-ima 5593  df-pred 6191  df-ord 6254  df-on 6255  df-lim 6256  df-suc 6257  df-iota 6376  df-fun 6420  df-fn 6421  df-f 6422  df-f1 6423  df-fo 6424  df-f1o 6425  df-fv 6426  df-riota 7212  df-ov 7258  df-oprab 7259  df-mpo 7260  df-om 7688  df-1st 7804  df-2nd 7805  df-frecs 8068  df-wrecs 8099  df-recs 8173  df-rdg 8212  df-er 8456  df-en 8692  df-dom 8693  df-sdom 8694  df-sup 9131  df-pnf 10942  df-mnf 10943  df-xr 10944  df-ltxr 10945  df-le 10946  df-sub 11137  df-neg 11138  df-div 11563  df-nn 11904  df-2 11966  df-3 11967  df-4 11968  df-n0 12164  df-z 12250  df-uz 12512  df-rp 12660  df-seq 13650  df-exp 13711  df-cj 14738  df-re 14739  df-im 14740  df-sqrt 14874  df-abs 14875  df-grpo 28756  df-gid 28757  df-ginv 28758  df-ablo 28808  df-vc 28822  df-nv 28855  df-va 28858  df-ba 28859  df-sm 28860  df-0v 28861  df-nmcv 28863  df-hnorm 29231  df-hba 29232  df-hvsub 29234  df-sh 29470
This theorem is referenced by:  hhssabloi  29525
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