Theorem tnglem 24766

Description: Lemma for tngbas 24767 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

Step	Hyp	Ref	Expression
1		tnglem.e	. . . . 5 ⊢ 𝐸 = Slot (𝐸‘ndx)
2		tnglem.d	. . . . 5 ⊢ (𝐸‘ndx) ≠ (dist‘ndx)
3	1, 2	setsnid 17268	. . . 4 ⊢ (𝐸‘𝐺) = (𝐸‘(𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩))
4		tnglem.t	. . . . 5 ⊢ (𝐸‘ndx) ≠ (TopSet‘ndx)
5	1, 4	setsnid 17268	. . . 4 ⊢ (𝐸‘(𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩)) = (𝐸‘((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))⟩))
6	3, 5	eqtri 2792	. . 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 2769	. . . . 5 ⊢ (-g‘𝐺) = (-g‘𝐺)
9		eqid 2769	. . . . 5 ⊢ (𝑁 ∘ (-g‘𝐺)) = (𝑁 ∘ (-g‘𝐺))
10		eqid 2769	. . . . 5 ⊢ (MetOpen‘(𝑁 ∘ (-g‘𝐺))) = (MetOpen‘(𝑁 ∘ (-g‘𝐺)))
11	7, 8, 9, 10	tngval 24765	. . . 4 ⊢ ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → 𝑇 = ((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))⟩))
12	11	fveq2d 6886	. . 3 ⊢ ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝑇) = (𝐸‘((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))⟩)))
13	6, 12	eqtr4id 2823	. 2 ⊢ ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇))
14	1	str0 17249	. . . . 5 ⊢ ∅ = (𝐸‘∅)
15	14	eqcomi 2778	. . . 4 ⊢ (𝐸‘∅) = ∅
16		reldmtng 24764	. . . 4 ⊢ Rel dom toNrmGrp
17	15, 7, 16	oveqprc 17252	. . 3 ⊢ (¬ 𝐺 ∈ V → (𝐸‘𝐺) = (𝐸‘𝑇))
18	17	adantr 485	. 2 ⊢ ((¬ 𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇))
19	13, 18	pm2.61ian 823	1 ⊢ (𝑁 ∈ 𝑉 → (𝐸‘𝐺) = (𝐸‘𝑇))

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 400   = wceq 1567   ∈ wcel 2149   ≠ wne 2964  Vcvv 3463  ∅c0 4294  ⟨cop 4600   ∘ ccom 5666  ‘cfv 6537  (class class class)co 7411   sSet csts 17223  Slot cslot 17241  ndxcnx 17253  TopSetcts 17316  distcds 17319  -_gcsg 19002  MetOpencmopn 21481   toNrmGrp ctng 24704

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-10 2182  ax-11 2198  ax-12 2219  ax-ext 2741  ax-sep 5261  ax-nul 5271  ax-pr 5405  ax-un 7733

This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-nf 1811  df-sb 2098  df-mo 2573  df-eu 2603  df-clab 2748  df-cleq 2761  df-clel 2844  df-nfc 2918  df-ne 2965  df-ral 3086  df-rex 3096  df-rab 3424  df-v 3465  df-sbc 3754  df-dif 3916  df-un 3918  df-in 3920  df-ss 3930  df-nul 4295  df-if 4493  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4877  df-br 5114  df-opab 5178  df-mpt 5197  df-id 5557  df-xp 5668  df-rel 5669  df-cnv 5670  df-co 5671  df-dm 5672  df-res 5674  df-iota 6493  df-fun 6539  df-fv 6545  df-ov 7414  df-oprab 7415  df-mpo 7416  df-sets 17224  df-slot 17242  df-tng 24710

This theorem is referenced by:  tngbas  24767  tngplusg  24768  tngmulr  24770  tngsca  24771  tngvsca  24772  tngip  24773