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| Mirrors > Home > MPE Home > Th. List > tnglem | Structured version Visualization version GIF version | ||
| Description: Lemma for tngbas 24527 and similar theorems. (Contributed by Mario Carneiro, 2-Oct-2015.) (Revised by AV, 31-Oct-2024.) |
| 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) |
| Ref | Expression |
|---|---|
| tnglem | ⊢ (𝑁 ∈ 𝑉 → (𝐸‘𝐺) = (𝐸‘𝑇)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tnglem.e | . . . . 5 ⊢ 𝐸 = Slot (𝐸‘ndx) | |
| 2 | tnglem.d | . . . . 5 ⊢ (𝐸‘ndx) ≠ (dist‘ndx) | |
| 3 | 1, 2 | setsnid 17119 | . . . 4 ⊢ (𝐸‘𝐺) = (𝐸‘(𝐺 sSet 〈(dist‘ndx), (𝑁 ∘ (-g‘𝐺))〉)) |
| 4 | tnglem.t | . . . . 5 ⊢ (𝐸‘ndx) ≠ (TopSet‘ndx) | |
| 5 | 1, 4 | setsnid 17119 | . . . 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 2752 | . . 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 2729 | . . . . 5 ⊢ (-g‘𝐺) = (-g‘𝐺) | |
| 9 | eqid 2729 | . . . . 5 ⊢ (𝑁 ∘ (-g‘𝐺)) = (𝑁 ∘ (-g‘𝐺)) | |
| 10 | eqid 2729 | . . . . 5 ⊢ (MetOpen‘(𝑁 ∘ (-g‘𝐺))) = (MetOpen‘(𝑁 ∘ (-g‘𝐺))) | |
| 11 | 7, 8, 9, 10 | tngval 24525 | . . . 4 ⊢ ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → 𝑇 = ((𝐺 sSet 〈(dist‘ndx), (𝑁 ∘ (-g‘𝐺))〉) sSet 〈(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))〉)) |
| 12 | 11 | fveq2d 6826 | . . 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 2783 | . 2 ⊢ ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇)) |
| 14 | 1 | str0 17100 | . . . . 5 ⊢ ∅ = (𝐸‘∅) |
| 15 | 14 | eqcomi 2738 | . . . 4 ⊢ (𝐸‘∅) = ∅ |
| 16 | reldmtng 24524 | . . . 4 ⊢ Rel dom toNrmGrp | |
| 17 | 15, 7, 16 | oveqprc 17103 | . . 3 ⊢ (¬ 𝐺 ∈ V → (𝐸‘𝐺) = (𝐸‘𝑇)) |
| 18 | 17 | adantr 480 | . 2 ⊢ ((¬ 𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇)) |
| 19 | 13, 18 | pm2.61ian 811 | 1 ⊢ (𝑁 ∈ 𝑉 → (𝐸‘𝐺) = (𝐸‘𝑇)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ≠ wne 2925 Vcvv 3436 ∅c0 4284 〈cop 4583 ∘ ccom 5623 ‘cfv 6482 (class class class)co 7349 sSet csts 17074 Slot cslot 17092 ndxcnx 17104 TopSetcts 17167 distcds 17170 -gcsg 18814 MetOpencmopn 21251 toNrmGrp ctng 24464 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5235 ax-nul 5245 ax-pr 5371 ax-un 7671 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-rab 3395 df-v 3438 df-sbc 3743 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4285 df-if 4477 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-br 5093 df-opab 5155 df-mpt 5174 df-id 5514 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-res 5631 df-iota 6438 df-fun 6484 df-fv 6490 df-ov 7352 df-oprab 7353 df-mpo 7354 df-sets 17075 df-slot 17093 df-tng 24470 |
| This theorem is referenced by: tngbas 24527 tngplusg 24528 tngmulr 24530 tngsca 24531 tngvsca 24532 tngip 24533 |
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