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Theorem tnglem 24959
Description: Lemma for tngbas 24960 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 17386 . . . 4 (𝐸‘𝐺) = (𝐸‘(𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩))
4 tnglem.t . . . . 5 (𝐸‘ndx) ≠ (TopSet‘ndx)
51, 4setsnid 17386 . . . 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 2784 . . 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 2761 . . . . 5 (-g‘𝐺) = (-g‘𝐺)
9 eqid 2761 . . . . 5 (𝑁 ∘ (-g‘𝐺)) = (𝑁 ∘ (-g‘𝐺))
10 eqid 2761 . . . . 5 (MetOpen‘(𝑁 ∘ (-g‘𝐺))) = (MetOpen‘(𝑁 ∘ (-g‘𝐺)))
117, 8, 9, 10tngval 24958 . . . 4 ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → 𝑇 = ((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))⟩))
1211fveq2d 6889 . . 3 ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝑇) = (𝐸‘((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))⟩)))
136, 12eqtr4id 2815 . 2 ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇))
141str0 17367 . . . . 5 ∅ = (𝐸‘∅)
1514eqcomi 2770 . . . 4 (𝐸‘∅) = ∅
16 reldmtng 24957 . . . 4 Rel dom toNrmGrp
1715, 7, 16oveqprc 17370 . . 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 1570   ∈ wcel 2145   ≠ wne 2956  Vcvv 3451  ∅c0 4279  ⟨cop 4590   ∘ ccom 5655  ‘cfv 6538  (class class class)co 7420   sSet csts 17341  Slot cslot 17359  ndxcnx 17371  TopSetcts 17434  distcds 17437  -gcsg 19146  MetOpencmopn 21668   toNrmGrp ctng 24897
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 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-sep 5249  ax-nul 5260  ax-pr 5391  ax-un 7751
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 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-rab 3414  df-v 3453  df-sbc 3740  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-opab 5168  df-mpt 5187  df-id 5546  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-res 5663  df-iota 6494  df-fun 6540  df-fv 6546  df-ov 7423  df-oprab 7424  df-mpo 7425  df-sets 17342  df-slot 17360  df-tng 24903
This theorem is used by:  tngbas  24960  tngplusg  24961  tngmulr  24963  tngsca  24964  tngvsca  24965  tngip  24966
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