Theorem tnglem 24148

Description: Lemma for tngbas 24150 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 17141	. . . 4 ⊢ (𝐸‘𝐺) = (𝐸‘(𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩))
4		tnglem.t	. . . . 5 ⊢ (𝐸‘ndx) ≠ (TopSet‘ndx)
5	1, 4	setsnid 17141	. . . 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 2760	. . 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 2732	. . . . 5 ⊢ (-g‘𝐺) = (-g‘𝐺)
9		eqid 2732	. . . . 5 ⊢ (𝑁 ∘ (-g‘𝐺)) = (𝑁 ∘ (-g‘𝐺))
10		eqid 2732	. . . . 5 ⊢ (MetOpen‘(𝑁 ∘ (-g‘𝐺))) = (MetOpen‘(𝑁 ∘ (-g‘𝐺)))
11	7, 8, 9, 10	tngval 24147	. . . 4 ⊢ ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → 𝑇 = ((𝐺 sSet ⟨(dist‘ndx), (𝑁 ∘ (-g‘𝐺))⟩) sSet ⟨(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))⟩))
12	11	fveq2d 6895	. . 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 2791	. 2 ⊢ ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇))
14	1	str0 17121	. . . . 5 ⊢ ∅ = (𝐸‘∅)
15	14	eqcomi 2741	. . . 4 ⊢ (𝐸‘∅) = ∅
16		reldmtng 24146	. . . 4 ⊢ Rel dom toNrmGrp
17	15, 7, 16	oveqprc 17124	. . 3 ⊢ (¬ 𝐺 ∈ V → (𝐸‘𝐺) = (𝐸‘𝑇))
18	17	adantr 481	. 2 ⊢ ((¬ 𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇))
19	13, 18	pm2.61ian 810	1 ⊢ (𝑁 ∈ 𝑉 → (𝐸‘𝐺) = (𝐸‘𝑇))

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 396   = wceq 1541   ∈ wcel 2106   ≠ wne 2940  Vcvv 3474  ∅c0 4322  ⟨cop 4634   ∘ ccom 5680  ‘cfv 6543  (class class class)co 7408   sSet csts 17095  Slot cslot 17113  ndxcnx 17125  TopSetcts 17202  distcds 17205  -_gcsg 18820  MetOpencmopn 20933   toNrmGrp ctng 24086

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2703  ax-sep 5299  ax-nul 5306  ax-pr 5427  ax-un 7724

This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2534  df-eu 2563  df-clab 2710  df-cleq 2724  df-clel 2810  df-nfc 2885  df-ne 2941  df-ral 3062  df-rex 3071  df-rab 3433  df-v 3476  df-sbc 3778  df-dif 3951  df-un 3953  df-in 3955  df-ss 3965  df-nul 4323  df-if 4529  df-sn 4629  df-pr 4631  df-op 4635  df-uni 4909  df-br 5149  df-opab 5211  df-mpt 5232  df-id 5574  df-xp 5682  df-rel 5683  df-cnv 5684  df-co 5685  df-dm 5686  df-res 5688  df-iota 6495  df-fun 6545  df-fv 6551  df-ov 7411  df-oprab 7412  df-mpo 7413  df-sets 17096  df-slot 17114  df-tng 24092

This theorem is referenced by:  tngbas  24150  tngplusg  24152  tngmulr  24155  tngsca  24157  tngvsca  24159  tngip  24161