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| Mirrors > Home > MPE Home > Th. List > tnglem | Structured version Visualization version GIF version | ||
| Description: Lemma for tngbas 24851 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 17292 | . . . 4 ⊢ (𝐸‘𝐺) = (𝐸‘(𝐺 sSet 〈(dist‘ndx), (𝑁 ∘ (-g‘𝐺))〉)) |
| 4 | tnglem.t | . . . . 5 ⊢ (𝐸‘ndx) ≠ (TopSet‘ndx) | |
| 5 | 1, 4 | setsnid 17292 | . . . 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 2788 | . . 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 2765 | . . . . 5 ⊢ (-g‘𝐺) = (-g‘𝐺) | |
| 9 | eqid 2765 | . . . . 5 ⊢ (𝑁 ∘ (-g‘𝐺)) = (𝑁 ∘ (-g‘𝐺)) | |
| 10 | eqid 2765 | . . . . 5 ⊢ (MetOpen‘(𝑁 ∘ (-g‘𝐺))) = (MetOpen‘(𝑁 ∘ (-g‘𝐺))) | |
| 11 | 7, 8, 9, 10 | tngval 24849 | . . . 4 ⊢ ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → 𝑇 = ((𝐺 sSet 〈(dist‘ndx), (𝑁 ∘ (-g‘𝐺))〉) sSet 〈(TopSet‘ndx), (MetOpen‘(𝑁 ∘ (-g‘𝐺)))〉)) |
| 12 | 11 | fveq2d 6889 | . . 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 2819 | . 2 ⊢ ((𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇)) |
| 14 | 1 | str0 17273 | . . . . 5 ⊢ ∅ = (𝐸‘∅) |
| 15 | 14 | eqcomi 2774 | . . . 4 ⊢ (𝐸‘∅) = ∅ |
| 16 | reldmtng 24848 | . . . 4 ⊢ Rel dom toNrmGrp | |
| 17 | 15, 7, 16 | oveqprc 17276 | . . 3 ⊢ (¬ 𝐺 ∈ V → (𝐸‘𝐺) = (𝐸‘𝑇)) |
| 18 | 17 | adantr 486 | . 2 ⊢ ((¬ 𝐺 ∈ V ∧ 𝑁 ∈ 𝑉) → (𝐸‘𝐺) = (𝐸‘𝑇)) |
| 19 | 13, 18 | pm2.61ian 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 2146 ≠ wne 2960 Vcvv 3457 ∅c0 4286 〈cop 4597 ∘ ccom 5667 ‘cfv 6540 (class class class)co 7419 sSet csts 17247 Slot cslot 17265 ndxcnx 17277 TopSetcts 17340 distcds 17343 -gcsg 19048 MetOpencmopn 21564 toNrmGrp ctng 24788 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pr 5406 ax-un 7742 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-sbc 3747 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-res 5675 df-iota 6496 df-fun 6542 df-fv 6548 df-ov 7422 df-oprab 7423 df-mpo 7424 df-sets 17248 df-slot 17266 df-tng 24794 |
| This theorem is used by: tngbas 24851 tngplusg 24852 tngmulr 24854 tngsca 24855 tngvsca 24856 tngip 24857 |
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