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Theorem hhssabloilem 29044
Description: Lemma for hhssabloi 29045. Formerly part of proof for hhssabloi 29045 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 28943 . . 3 + ∈ AbelOp
2 ablogrpo 28330 . . 3 ( + ∈ AbelOp → + ∈ GrpOp)
31, 2ax-mp 5 . 2 + ∈ GrpOp
4 hhssabl.1 . . . 4 𝐻S
54elexi 3460 . . 3 𝐻 ∈ V
6 eqid 2798 . . . . . . . 8 ran + = ran +
76grpofo 28282 . . . . . . 7 ( + ∈ GrpOp → + :(ran + × ran + )–onto→ran + )
8 fof 6565 . . . . . . 7 ( + :(ran + × ran + )–onto→ran + → + :(ran + × ran + )⟶ran + )
93, 7, 8mp2b 10 . . . . . 6 + :(ran + × ran + )⟶ran +
104shssii 28996 . . . . . . . 8 𝐻 ⊆ ℋ
11 df-hba 28752 . . . . . . . . 9 ℋ = (BaseSet‘⟨⟨ + , · ⟩, norm⟩)
12 eqid 2798 . . . . . . . . . 10 ⟨⟨ + , · ⟩, norm⟩ = ⟨⟨ + , · ⟩, norm
1312hhva 28949 . . . . . . . . 9 + = ( +𝑣 ‘⟨⟨ + , · ⟩, norm⟩)
1411, 13bafval 28387 . . . . . . . 8 ℋ = ran +
1510, 14sseqtri 3951 . . . . . . 7 𝐻 ⊆ ran +
16 xpss12 5534 . . . . . . 7 ((𝐻 ⊆ ran +𝐻 ⊆ ran + ) → (𝐻 × 𝐻) ⊆ (ran + × ran + ))
1715, 15, 16mp2an 691 . . . . . 6 (𝐻 × 𝐻) ⊆ (ran + × ran + )
18 fssres 6518 . . . . . 6 (( + :(ran + × ran + )⟶ran + ∧ (𝐻 × 𝐻) ⊆ (ran + × ran + )) → ( + ↾ (𝐻 × 𝐻)):(𝐻 × 𝐻)⟶ran + )
199, 17, 18mp2an 691 . . . . 5 ( + ↾ (𝐻 × 𝐻)):(𝐻 × 𝐻)⟶ran +
20 ffn 6487 . . . . 5 (( + ↾ (𝐻 × 𝐻)):(𝐻 × 𝐻)⟶ran + → ( + ↾ (𝐻 × 𝐻)) Fn (𝐻 × 𝐻))
2119, 20ax-mp 5 . . . 4 ( + ↾ (𝐻 × 𝐻)) Fn (𝐻 × 𝐻)
22 ovres 7294 . . . . . 6 ((𝑥𝐻𝑦𝐻) → (𝑥( + ↾ (𝐻 × 𝐻))𝑦) = (𝑥 + 𝑦))
23 shaddcl 29000 . . . . . . 7 ((𝐻S𝑥𝐻𝑦𝐻) → (𝑥 + 𝑦) ∈ 𝐻)
244, 23mp3an1 1445 . . . . . 6 ((𝑥𝐻𝑦𝐻) → (𝑥 + 𝑦) ∈ 𝐻)
2522, 24eqeltrd 2890 . . . . 5 ((𝑥𝐻𝑦𝐻) → (𝑥( + ↾ (𝐻 × 𝐻))𝑦) ∈ 𝐻)
2625rgen2 3168 . . . 4 𝑥𝐻𝑦𝐻 (𝑥( + ↾ (𝐻 × 𝐻))𝑦) ∈ 𝐻
27 ffnov 7257 . . . 4 (( + ↾ (𝐻 × 𝐻)):(𝐻 × 𝐻)⟶𝐻 ↔ (( + ↾ (𝐻 × 𝐻)) Fn (𝐻 × 𝐻) ∧ ∀𝑥𝐻𝑦𝐻 (𝑥( + ↾ (𝐻 × 𝐻))𝑦) ∈ 𝐻))
2821, 26, 27mpbir2an 710 . . 3 ( + ↾ (𝐻 × 𝐻)):(𝐻 × 𝐻)⟶𝐻
2922oveq1d 7150 . . . . 5 ((𝑥𝐻𝑦𝐻) → ((𝑥( + ↾ (𝐻 × 𝐻))𝑦) + 𝑧) = ((𝑥 + 𝑦) + 𝑧))
30293adant3 1129 . . . 4 ((𝑥𝐻𝑦𝐻𝑧𝐻) → ((𝑥( + ↾ (𝐻 × 𝐻))𝑦) + 𝑧) = ((𝑥 + 𝑦) + 𝑧))
31 ovres 7294 . . . . 5 (((𝑥( + ↾ (𝐻 × 𝐻))𝑦) ∈ 𝐻𝑧𝐻) → ((𝑥( + ↾ (𝐻 × 𝐻))𝑦)( + ↾ (𝐻 × 𝐻))𝑧) = ((𝑥( + ↾ (𝐻 × 𝐻))𝑦) + 𝑧))
3225, 31stoic3 1778 . . . 4 ((𝑥𝐻𝑦𝐻𝑧𝐻) → ((𝑥( + ↾ (𝐻 × 𝐻))𝑦)( + ↾ (𝐻 × 𝐻))𝑧) = ((𝑥( + ↾ (𝐻 × 𝐻))𝑦) + 𝑧))
33 ovres 7294 . . . . . . 7 ((𝑦𝐻𝑧𝐻) → (𝑦( + ↾ (𝐻 × 𝐻))𝑧) = (𝑦 + 𝑧))
3433oveq2d 7151 . . . . . 6 ((𝑦𝐻𝑧𝐻) → (𝑥 + (𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = (𝑥 + (𝑦 + 𝑧)))
35343adant1 1127 . . . . 5 ((𝑥𝐻𝑦𝐻𝑧𝐻) → (𝑥 + (𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = (𝑥 + (𝑦 + 𝑧)))
3628fovcl 7258 . . . . . . 7 ((𝑦𝐻𝑧𝐻) → (𝑦( + ↾ (𝐻 × 𝐻))𝑧) ∈ 𝐻)
37 ovres 7294 . . . . . . 7 ((𝑥𝐻 ∧ (𝑦( + ↾ (𝐻 × 𝐻))𝑧) ∈ 𝐻) → (𝑥( + ↾ (𝐻 × 𝐻))(𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = (𝑥 + (𝑦( + ↾ (𝐻 × 𝐻))𝑧)))
3836, 37sylan2 595 . . . . . 6 ((𝑥𝐻 ∧ (𝑦𝐻𝑧𝐻)) → (𝑥( + ↾ (𝐻 × 𝐻))(𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = (𝑥 + (𝑦( + ↾ (𝐻 × 𝐻))𝑧)))
39383impb 1112 . . . . 5 ((𝑥𝐻𝑦𝐻𝑧𝐻) → (𝑥( + ↾ (𝐻 × 𝐻))(𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = (𝑥 + (𝑦( + ↾ (𝐻 × 𝐻))𝑧)))
4015sseli 3911 . . . . . 6 (𝑥𝐻𝑥 ∈ ran + )
4115sseli 3911 . . . . . 6 (𝑦𝐻𝑦 ∈ ran + )
4215sseli 3911 . . . . . 6 (𝑧𝐻𝑧 ∈ ran + )
436grpoass 28286 . . . . . . 7 (( + ∈ GrpOp ∧ (𝑥 ∈ ran +𝑦 ∈ ran +𝑧 ∈ ran + )) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧)))
443, 43mpan 689 . . . . . 6 ((𝑥 ∈ ran +𝑦 ∈ ran +𝑧 ∈ ran + ) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧)))
4540, 41, 42, 44syl3an 1157 . . . . 5 ((𝑥𝐻𝑦𝐻𝑧𝐻) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧)))
4635, 39, 453eqtr4d 2843 . . . 4 ((𝑥𝐻𝑦𝐻𝑧𝐻) → (𝑥( + ↾ (𝐻 × 𝐻))(𝑦( + ↾ (𝐻 × 𝐻))𝑧)) = ((𝑥 + 𝑦) + 𝑧))
4730, 32, 463eqtr4d 2843 . . 3 ((𝑥𝐻𝑦𝐻𝑧𝐻) → ((𝑥( + ↾ (𝐻 × 𝐻))𝑦)( + ↾ (𝐻 × 𝐻))𝑧) = (𝑥( + ↾ (𝐻 × 𝐻))(𝑦( + ↾ (𝐻 × 𝐻))𝑧)))
48 hilid 28944 . . . 4 (GId‘ + ) = 0
49 sh0 28999 . . . . 5 (𝐻S → 0𝐻)
504, 49ax-mp 5 . . . 4 0𝐻
5148, 50eqeltri 2886 . . 3 (GId‘ + ) ∈ 𝐻
52 ovres 7294 . . . . 5 (((GId‘ + ) ∈ 𝐻𝑥𝐻) → ((GId‘ + )( + ↾ (𝐻 × 𝐻))𝑥) = ((GId‘ + ) + 𝑥))
5351, 52mpan 689 . . . 4 (𝑥𝐻 → ((GId‘ + )( + ↾ (𝐻 × 𝐻))𝑥) = ((GId‘ + ) + 𝑥))
54 eqid 2798 . . . . . 6 (GId‘ + ) = (GId‘ + )
556, 54grpolid 28299 . . . . 5 (( + ∈ GrpOp ∧ 𝑥 ∈ ran + ) → ((GId‘ + ) + 𝑥) = 𝑥)
563, 40, 55sylancr 590 . . . 4 (𝑥𝐻 → ((GId‘ + ) + 𝑥) = 𝑥)
5753, 56eqtrd 2833 . . 3 (𝑥𝐻 → ((GId‘ + )( + ↾ (𝐻 × 𝐻))𝑥) = 𝑥)
5812hhnv 28948 . . . . . . 7 ⟨⟨ + , · ⟩, norm⟩ ∈ NrmCVec
5912hhsm 28952 . . . . . . . 8 · = ( ·𝑠OLD ‘⟨⟨ + , · ⟩, norm⟩)
60 eqid 2798 . . . . . . . 8 ( ·(2nd ↾ ({-1} × V))) = ( ·(2nd ↾ ({-1} × V)))
6113, 59, 60nvinvfval 28423 . . . . . . 7 (⟨⟨ + , · ⟩, norm⟩ ∈ NrmCVec → ( ·(2nd ↾ ({-1} × V))) = (inv‘ + ))
6258, 61ax-mp 5 . . . . . 6 ( ·(2nd ↾ ({-1} × V))) = (inv‘ + )
6362eqcomi 2807 . . . . 5 (inv‘ + ) = ( ·(2nd ↾ ({-1} × V)))
6463fveq1i 6646 . . . 4 ((inv‘ + )‘𝑥) = (( ·(2nd ↾ ({-1} × V)))‘𝑥)
65 ax-hfvmul 28788 . . . . . . 7 · :(ℂ × ℋ)⟶ ℋ
66 ffn 6487 . . . . . . 7 ( · :(ℂ × ℋ)⟶ ℋ → · Fn (ℂ × ℋ))
6765, 66ax-mp 5 . . . . . 6 · Fn (ℂ × ℋ)
68 neg1cn 11739 . . . . . 6 -1 ∈ ℂ
6960curry1val 7783 . . . . . 6 (( · Fn (ℂ × ℋ) ∧ -1 ∈ ℂ) → (( ·(2nd ↾ ({-1} × V)))‘𝑥) = (-1 · 𝑥))
7067, 68, 69mp2an 691 . . . . 5 (( ·(2nd ↾ ({-1} × V)))‘𝑥) = (-1 · 𝑥)
71 shmulcl 29001 . . . . . 6 ((𝐻S ∧ -1 ∈ ℂ ∧ 𝑥𝐻) → (-1 · 𝑥) ∈ 𝐻)
724, 68, 71mp3an12 1448 . . . . 5 (𝑥𝐻 → (-1 · 𝑥) ∈ 𝐻)
7370, 72eqeltrid 2894 . . . 4 (𝑥𝐻 → (( ·(2nd ↾ ({-1} × V)))‘𝑥) ∈ 𝐻)
7464, 73eqeltrid 2894 . . 3 (𝑥𝐻 → ((inv‘ + )‘𝑥) ∈ 𝐻)
75 ovres 7294 . . . . 5 ((((inv‘ + )‘𝑥) ∈ 𝐻𝑥𝐻) → (((inv‘ + )‘𝑥)( + ↾ (𝐻 × 𝐻))𝑥) = (((inv‘ + )‘𝑥) + 𝑥))
7674, 75mpancom 687 . . . 4 (𝑥𝐻 → (((inv‘ + )‘𝑥)( + ↾ (𝐻 × 𝐻))𝑥) = (((inv‘ + )‘𝑥) + 𝑥))
77 eqid 2798 . . . . . 6 (inv‘ + ) = (inv‘ + )
786, 54, 77grpolinv 28309 . . . . 5 (( + ∈ GrpOp ∧ 𝑥 ∈ ran + ) → (((inv‘ + )‘𝑥) + 𝑥) = (GId‘ + ))
793, 40, 78sylancr 590 . . . 4 (𝑥𝐻 → (((inv‘ + )‘𝑥) + 𝑥) = (GId‘ + ))
8076, 79eqtrd 2833 . . 3 (𝑥𝐻 → (((inv‘ + )‘𝑥)( + ↾ (𝐻 × 𝐻))𝑥) = (GId‘ + ))
815, 28, 47, 51, 57, 74, 80isgrpoi 28281 . 2 ( + ↾ (𝐻 × 𝐻)) ∈ GrpOp
82 resss 5843 . 2 ( + ↾ (𝐻 × 𝐻)) ⊆ +
833, 81, 823pm3.2i 1336 1 ( + ∈ GrpOp ∧ ( + ↾ (𝐻 × 𝐻)) ∈ GrpOp ∧ ( + ↾ (𝐻 × 𝐻)) ⊆ + )
Colors of variables: wff setvar class
Syntax hints:  wa 399  w3a 1084   = wceq 1538  wcel 2111  wral 3106  Vcvv 3441  wss 3881  {csn 4525  cop 4531   × cxp 5517  ccnv 5518  ran crn 5520  cres 5521  ccom 5523   Fn wfn 6319  wf 6320  ontowfo 6322  cfv 6324  (class class class)co 7135  2nd c2nd 7670  cc 10524  1c1 10527  -cneg 10860  GrpOpcgr 28272  GIdcgi 28273  invcgn 28274  AbelOpcablo 28327  NrmCVeccnv 28367  chba 28702   + cva 28703   · csm 28704  normcno 28706  0c0v 28707   S csh 28711
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-rep 5154  ax-sep 5167  ax-nul 5174  ax-pow 5231  ax-pr 5295  ax-un 7441  ax-cnex 10582  ax-resscn 10583  ax-1cn 10584  ax-icn 10585  ax-addcl 10586  ax-addrcl 10587  ax-mulcl 10588  ax-mulrcl 10589  ax-mulcom 10590  ax-addass 10591  ax-mulass 10592  ax-distr 10593  ax-i2m1 10594  ax-1ne0 10595  ax-1rid 10596  ax-rnegex 10597  ax-rrecex 10598  ax-cnre 10599  ax-pre-lttri 10600  ax-pre-lttrn 10601  ax-pre-ltadd 10602  ax-pre-mulgt0 10603  ax-pre-sup 10604  ax-hilex 28782  ax-hfvadd 28783  ax-hvcom 28784  ax-hvass 28785  ax-hv0cl 28786  ax-hvaddid 28787  ax-hfvmul 28788  ax-hvmulid 28789  ax-hvmulass 28790  ax-hvdistr1 28791  ax-hvdistr2 28792  ax-hvmul0 28793  ax-hfi 28862  ax-his1 28865  ax-his2 28866  ax-his3 28867  ax-his4 28868
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3or 1085  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ne 2988  df-nel 3092  df-ral 3111  df-rex 3112  df-reu 3113  df-rmo 3114  df-rab 3115  df-v 3443  df-sbc 3721  df-csb 3829  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-pss 3900  df-nul 4244  df-if 4426  df-pw 4499  df-sn 4526  df-pr 4528  df-tp 4530  df-op 4532  df-uni 4801  df-iun 4883  df-br 5031  df-opab 5093  df-mpt 5111  df-tr 5137  df-id 5425  df-eprel 5430  df-po 5438  df-so 5439  df-fr 5478  df-we 5480  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-res 5531  df-ima 5532  df-pred 6116  df-ord 6162  df-on 6163  df-lim 6164  df-suc 6165  df-iota 6283  df-fun 6326  df-fn 6327  df-f 6328  df-f1 6329  df-fo 6330  df-f1o 6331  df-fv 6332  df-riota 7093  df-ov 7138  df-oprab 7139  df-mpo 7140  df-om 7561  df-1st 7671  df-2nd 7672  df-wrecs 7930  df-recs 7991  df-rdg 8029  df-er 8272  df-en 8493  df-dom 8494  df-sdom 8495  df-sup 8890  df-pnf 10666  df-mnf 10667  df-xr 10668  df-ltxr 10669  df-le 10670  df-sub 10861  df-neg 10862  df-div 11287  df-nn 11626  df-2 11688  df-3 11689  df-4 11690  df-n0 11886  df-z 11970  df-uz 12232  df-rp 12378  df-seq 13365  df-exp 13426  df-cj 14450  df-re 14451  df-im 14452  df-sqrt 14586  df-abs 14587  df-grpo 28276  df-gid 28277  df-ginv 28278  df-ablo 28328  df-vc 28342  df-nv 28375  df-va 28378  df-ba 28379  df-sm 28380  df-0v 28381  df-nmcv 28383  df-hnorm 28751  df-hba 28752  df-hvsub 28754  df-sh 28990
This theorem is referenced by:  hhssabloi  29045
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