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Theorem tnglem 24971
Description: Lemma for tngbas 24972 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 (𝑁 ∈ 𝑉 → (𝐸‘𝐺) = (𝐸‘𝑇))

Proof of Theorem tnglem
StepHypRef Expression
1 tnglem.e . . . . 5 𝐸 = Slot (𝐸‘ndx)
2 tnglem.d . . . . 5 (𝐸‘ndx) ≠ (dist‘ndx)
31, 2setsnid 17398 . . . 4 (𝐸‘𝐺) = (𝐸‘(𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩))
4 tnglem.t . . . . 5 (𝐸‘ndx) ≠ (TopSet‘ndx)
51, 4setsnid 17398 . . . 4 (𝐸‘(𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩)) = (𝐸‘((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))⟩))
63, 5eqtri 2786 . . 3 (𝐸‘𝐺) = (𝐸‘((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))⟩))
7 tngbas.t . . . . 5 𝑇 = (𝐺 toNrmGrp 𝑁)
8 eqid 2763 . . . . 5 (-g‘𝐺) = (-g‘𝐺)
9 eqid 2763 . . . . 5 (𝑁 ∘ (-g‘𝐺)) = (𝑁 ∘ (-g‘𝐺))
10 eqid 2763 . . . . 5 (MetOpen‘(𝑁 ∘ (-g‘𝐺))) = (MetOpen‘(𝑁 ∘ (-g‘𝐺)))
117, 8, 9, 10tngval 24970 . . . 4 ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → 𝑇 = ((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))⟩))
1211fveq2d 6897 . . 3 ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝑇) = (𝐸‘((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))⟩)))
136, 12eqtr4id 2817 . 2 ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇))
141str0 17379 . . . . 5 ∅ = (𝐸‘∅)
1514eqcomi 2772 . . . 4 (𝐸‘∅) = ∅
16 reldmtng 24969 . . . 4 Rel dom toNrmGrp
1715, 7, 16oveqprc 17382 . . 3 (¬ 𝐺 ∈ V → (𝐸‘𝐺) = (𝐸‘𝑇))
1817adantr 486 . 2 ((¬ 𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇))
1913, 18pm2.61ian 824 1 (𝑁 ∈ 𝑉 → (𝐸‘𝐺) = (𝐸‘𝑇))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ∧ wa 401   = wceq 1569   ∈ wcel 2146   ≠ wne 2958  Vcvv 3453  ∅c0 4280  ⟨cop 4837   ∘ ccom 5658  ‘cfv 6546  (class class class)co 7427   sSet csts 17353  Slot cslot 17371  ndxcnx 17383  TopSetcts 17446  distcds 17449  -gcsg 19158  MetOpencmopn 21680   toNrmGrp ctng 24909
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1944  ax-6 2001  ax-7 2042  ax-8 2148  ax-9 2156  ax-10 2179  ax-11 2196  ax-12 2215  ax-ext 2735  ax-sep 5251  ax-nul 5262  ax-pr 5394  ax-un 7758
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2101  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-ral 3080  df-rex 3090  df-rab 3416  df-v 3455  df-sbc 3742  df-ss 3900  df-dif 4049  df-in 4093  df-un 4153  df-nul 4281  df-if 4485  df-sn 4588  df-pr 4590  df-op 4838  df-uni 4870  df-br 5106  df-opab 5170  df-mpt 5189  df-id 5549  df-xp 5660  df-rel 5661  df-cnv 5662  df-co 5663  df-dm 5664  df-res 5666  df-iota 6500  df-fun 6548  df-fv 6554  df-ov 7430  df-oprab 7431  df-mpo 7432  df-sets 17354  df-slot 17372  df-tng 24915
This theorem is used by:  tngbas  24972  tngplusg  24973  tngmulr  24975  tngsca  24976  tngvsca  24977  tngip  24978
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