Theorem tgrpset 40769

Description: The translation group for a fiducial co-atom 𝑊. (Contributed by NM, 5-Jun-2013.)

Hypotheses

Ref	Expression
tgrpset.h	⊢ 𝐻 = (LHyp‘𝐾)
tgrpset.t	⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
tgrpset.g	⊢ 𝐺 = ((TGrp‘𝐾)‘𝑊)

Assertion

Ref	Expression
tgrpset	⊢ ((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) → 𝐺 = {⟨(Base‘ndx), 𝑇⟩, ⟨(+g‘ndx), (𝑓 ∈ 𝑇, 𝑔 ∈ 𝑇 ↦ (𝑓 ∘ 𝑔))⟩})

Distinct variable groups:   𝑓,𝑔,𝐾   𝑇,𝑓,𝑔   𝑓,𝑊,𝑔

Allowed substitution hints:   𝐺(𝑓,𝑔)   𝐻(𝑓,𝑔)   𝑉(𝑓,𝑔)

Proof of Theorem tgrpset

Dummy variable 𝑤 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		tgrpset.g	. 2 ⊢ 𝐺 = ((TGrp‘𝐾)‘𝑊)
2		tgrpset.h	. . . . 5 ⊢ 𝐻 = (LHyp‘𝐾)
3	2	tgrpfset 40768	. . . 4 ⊢ (𝐾 ∈ 𝑉 → (TGrp‘𝐾) = (𝑤 ∈ 𝐻 ↦ {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑤)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑤), 𝑔 ∈ ((LTrn‘𝐾)‘𝑤) ↦ (𝑓 ∘ 𝑔))⟩}))
4	3	fveq1d 6883	. . 3 ⊢ (𝐾 ∈ 𝑉 → ((TGrp‘𝐾)‘𝑊) = ((𝑤 ∈ 𝐻 ↦ {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑤)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑤), 𝑔 ∈ ((LTrn‘𝐾)‘𝑤) ↦ (𝑓 ∘ 𝑔))⟩})‘𝑊))
5		fveq2 6881	. . . . . . 7 ⊢ (𝑤 = 𝑊 → ((LTrn‘𝐾)‘𝑤) = ((LTrn‘𝐾)‘𝑊))
6	5	opeq2d 4861	. . . . . 6 ⊢ (𝑤 = 𝑊 → ⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑤)⟩ = ⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑊)⟩)
7		eqidd 2737	. . . . . . . 8 ⊢ (𝑤 = 𝑊 → (𝑓 ∘ 𝑔) = (𝑓 ∘ 𝑔))
8	5, 5, 7	mpoeq123dv 7487	. . . . . . 7 ⊢ (𝑤 = 𝑊 → (𝑓 ∈ ((LTrn‘𝐾)‘𝑤), 𝑔 ∈ ((LTrn‘𝐾)‘𝑤) ↦ (𝑓 ∘ 𝑔)) = (𝑓 ∈ ((LTrn‘𝐾)‘𝑊), 𝑔 ∈ ((LTrn‘𝐾)‘𝑊) ↦ (𝑓 ∘ 𝑔)))
9	8	opeq2d 4861	. . . . . 6 ⊢ (𝑤 = 𝑊 → ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑤), 𝑔 ∈ ((LTrn‘𝐾)‘𝑤) ↦ (𝑓 ∘ 𝑔))⟩ = ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑊), 𝑔 ∈ ((LTrn‘𝐾)‘𝑊) ↦ (𝑓 ∘ 𝑔))⟩)
10	6, 9	preq12d 4722	. . . . 5 ⊢ (𝑤 = 𝑊 → {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑤)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑤), 𝑔 ∈ ((LTrn‘𝐾)‘𝑤) ↦ (𝑓 ∘ 𝑔))⟩} = {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑊)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑊), 𝑔 ∈ ((LTrn‘𝐾)‘𝑊) ↦ (𝑓 ∘ 𝑔))⟩})
11		eqid 2736	. . . . 5 ⊢ (𝑤 ∈ 𝐻 ↦ {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑤)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑤), 𝑔 ∈ ((LTrn‘𝐾)‘𝑤) ↦ (𝑓 ∘ 𝑔))⟩}) = (𝑤 ∈ 𝐻 ↦ {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑤)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑤), 𝑔 ∈ ((LTrn‘𝐾)‘𝑤) ↦ (𝑓 ∘ 𝑔))⟩})
12		prex 5412	. . . . 5 ⊢ {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑊)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑊), 𝑔 ∈ ((LTrn‘𝐾)‘𝑊) ↦ (𝑓 ∘ 𝑔))⟩} ∈ V
13	10, 11, 12	fvmpt 6991	. . . 4 ⊢ (𝑊 ∈ 𝐻 → ((𝑤 ∈ 𝐻 ↦ {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑤)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑤), 𝑔 ∈ ((LTrn‘𝐾)‘𝑤) ↦ (𝑓 ∘ 𝑔))⟩})‘𝑊) = {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑊)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑊), 𝑔 ∈ ((LTrn‘𝐾)‘𝑊) ↦ (𝑓 ∘ 𝑔))⟩})
14		tgrpset.t	. . . . . 6 ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
15	14	opeq2i 4858	. . . . 5 ⊢ ⟨(Base‘ndx), 𝑇⟩ = ⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑊)⟩
16		eqid 2736	. . . . . . 7 ⊢ (𝑓 ∘ 𝑔) = (𝑓 ∘ 𝑔)
17	14, 14, 16	mpoeq123i 7488	. . . . . 6 ⊢ (𝑓 ∈ 𝑇, 𝑔 ∈ 𝑇 ↦ (𝑓 ∘ 𝑔)) = (𝑓 ∈ ((LTrn‘𝐾)‘𝑊), 𝑔 ∈ ((LTrn‘𝐾)‘𝑊) ↦ (𝑓 ∘ 𝑔))
18	17	opeq2i 4858	. . . . 5 ⊢ ⟨(+g‘ndx), (𝑓 ∈ 𝑇, 𝑔 ∈ 𝑇 ↦ (𝑓 ∘ 𝑔))⟩ = ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑊), 𝑔 ∈ ((LTrn‘𝐾)‘𝑊) ↦ (𝑓 ∘ 𝑔))⟩
19	15, 18	preq12i 4719	. . . 4 ⊢ {⟨(Base‘ndx), 𝑇⟩, ⟨(+g‘ndx), (𝑓 ∈ 𝑇, 𝑔 ∈ 𝑇 ↦ (𝑓 ∘ 𝑔))⟩} = {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑊)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑊), 𝑔 ∈ ((LTrn‘𝐾)‘𝑊) ↦ (𝑓 ∘ 𝑔))⟩}
20	13, 19	eqtr4di 2789	. . 3 ⊢ (𝑊 ∈ 𝐻 → ((𝑤 ∈ 𝐻 ↦ {⟨(Base‘ndx), ((LTrn‘𝐾)‘𝑤)⟩, ⟨(+g‘ndx), (𝑓 ∈ ((LTrn‘𝐾)‘𝑤), 𝑔 ∈ ((LTrn‘𝐾)‘𝑤) ↦ (𝑓 ∘ 𝑔))⟩})‘𝑊) = {⟨(Base‘ndx), 𝑇⟩, ⟨(+g‘ndx), (𝑓 ∈ 𝑇, 𝑔 ∈ 𝑇 ↦ (𝑓 ∘ 𝑔))⟩})
21	4, 20	sylan9eq 2791	. 2 ⊢ ((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) → ((TGrp‘𝐾)‘𝑊) = {⟨(Base‘ndx), 𝑇⟩, ⟨(+g‘ndx), (𝑓 ∈ 𝑇, 𝑔 ∈ 𝑇 ↦ (𝑓 ∘ 𝑔))⟩})
22	1, 21	eqtrid 2783	1 ⊢ ((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) → 𝐺 = {⟨(Base‘ndx), 𝑇⟩, ⟨(+g‘ndx), (𝑓 ∈ 𝑇, 𝑔 ∈ 𝑇 ↦ (𝑓 ∘ 𝑔))⟩})

Syntax hints:   → wi 4   ∧ wa 395   = wceq 1540   ∈ wcel 2109  {cpr 4608  ⟨cop 4612   ↦ cmpt 5206   ∘ ccom 5663  ‘cfv 6536   ∈ cmpo 7412  ndxcnx 17217  Basecbs 17233  +_gcplusg 17276  LHypclh 40008  LTrncltrn 40125  TGrpctgrp 40766

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2708  ax-rep 5254  ax-sep 5271  ax-nul 5281  ax-pr 5407

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2540  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2810  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3062  df-reu 3365  df-rab 3421  df-v 3466  df-sbc 3771  df-csb 3880  df-dif 3934  df-un 3936  df-in 3938  df-ss 3948  df-nul 4314  df-if 4506  df-sn 4607  df-pr 4609  df-op 4613  df-uni 4889  df-iun 4974  df-br 5125  df-opab 5187  df-mpt 5207  df-id 5553  df-xp 5665  df-rel 5666  df-cnv 5667  df-co 5668  df-dm 5669  df-rn 5670  df-res 5671  df-ima 5672  df-iota 6489  df-fun 6538  df-fn 6539  df-f 6540  df-f1 6541  df-fo 6542  df-f1o 6543  df-fv 6544  df-oprab 7414  df-mpo 7415  df-tgrp 40767

This theorem is referenced by:  tgrpbase  40770  tgrpopr  40771  dvaabl  41048