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Theorem tnglem 24827
Description: Lemma for tngbas 24828 and similar theorems. (Contributed by Mario Carneiro, 2-Oct-2015.) (Revised by AV, 31-Oct-2024.)
Hypotheses
Ref Expression
tngbas.t 𝑇 = (𝐺 toNrmGrp 𝑁)
tnglem.e 𝐸 = Slot (𝐸‘ndx)
tnglem.t (𝐸‘ndx) ≠ (TopSet‘ndx)
tnglem.d (𝐸‘ndx) ≠ (dist‘ndx)
Assertion
Ref Expression
tnglem (𝑁𝑉 → (𝐸𝐺) = (𝐸𝑇))

Proof of Theorem tnglem
StepHypRef Expression
1 tnglem.e . . . . 5 𝐸 = Slot (𝐸‘ndx)
2 tnglem.d . . . . 5 (𝐸‘ndx) ≠ (dist‘ndx)
31, 2setsnid 17293 . . . 4 (𝐸𝐺) = (𝐸‘(𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g𝐺))⟩))
4 tnglem.t . . . . 5 (𝐸‘ndx) ≠ (TopSet‘ndx)
51, 4setsnid 17293 . . . 4 (𝐸‘(𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g𝐺))⟩)) = (𝐸‘((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g𝐺)))⟩))
63, 5eqtri 2789 . . 3 (𝐸𝐺) = (𝐸‘((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g𝐺)))⟩))
7 tngbas.t . . . . 5 𝑇 = (𝐺 toNrmGrp 𝑁)
8 eqid 2766 . . . . 5 (-g𝐺) = (-g𝐺)
9 eqid 2766 . . . . 5 (𝑁 ∘ (-g𝐺)) = (𝑁 ∘ (-g𝐺))
10 eqid 2766 . . . . 5 (MetOpen‘(𝑁 ∘ (-g𝐺))) = (MetOpen‘(𝑁 ∘ (-g𝐺)))
117, 8, 9, 10tngval 24826 . . . 4 ((𝐺 ∈ V ∧ 𝑁𝑉) → 𝑇 = ((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g𝐺)))⟩))
1211fveq2d 6892 . . 3 ((𝐺 ∈ V ∧ 𝑁𝑉) → (𝐸𝑇) = (𝐸‘((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g𝐺)))⟩)))
136, 12eqtr4id 2820 . 2 ((𝐺 ∈ V ∧ 𝑁𝑉) → (𝐸𝐺) = (𝐸𝑇))
141str0 17274 . . . . 5 ∅ = (𝐸‘∅)
1514eqcomi 2775 . . . 4 (𝐸‘∅) = ∅
16 reldmtng 24825 . . . 4 Rel dom toNrmGrp
1715, 7, 16oveqprc 17277 . . 3 𝐺 ∈ V → (𝐸𝐺) = (𝐸𝑇))
1817adantr 486 . 2 ((¬ 𝐺 ∈ V ∧ 𝑁𝑉) → (𝐸𝐺) = (𝐸𝑇))
1913, 18pm2.61ian 824 1 (𝑁𝑉 → (𝐸𝐺) = (𝐸𝑇))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3  wi 4  wa 401   = wceq 1570  wcel 2146  wne 2961  Vcvv 3458  c0 4289  cop 4600  ccom 5670  cfv 6543  (class class class)co 7423   sSet csts 17248  Slot cslot 17266  ndxcnx 17278  TopSetcts 17341  distcds 17344  -gcsg 19027  MetOpencmopn 21542   toNrmGrp ctng 24765
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-10 2179  ax-11 2195  ax-12 2216  ax-ext 2738  ax-sep 5262  ax-nul 5274  ax-pr 5409  ax-un 7745
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2570  df-eu 2600  df-clab 2745  df-cleq 2758  df-clel 2841  df-nfc 2915  df-ne 2962  df-ral 3083  df-rex 3093  df-rab 3420  df-v 3460  df-sbc 3748  df-dif 3911  df-un 3913  df-in 3915  df-ss 3925  df-nul 4290  df-if 4493  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4878  df-br 5115  df-opab 5179  df-mpt 5198  df-id 5561  df-xp 5672  df-rel 5673  df-cnv 5674  df-co 5675  df-dm 5676  df-res 5678  df-iota 6499  df-fun 6545  df-fv 6551  df-ov 7426  df-oprab 7427  df-mpo 7428  df-sets 17249  df-slot 17267  df-tng 24771
This theorem is used by:  tngbas  24828  tngplusg  24829  tngmulr  24831  tngsca  24832  tngvsca  24833  tngip  24834
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