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| Mirrors > Home > MPE Home > Th. List > Mathboxes > resvlem | Structured version Visualization version GIF version | ||
| Description: Other elements of a scalar restriction. (Contributed by Thierry Arnoux, 6-Sep-2018.) (Revised by AV, 31-Oct-2024.) |
| Ref | Expression |
|---|---|
| resvlem.r | ⊢ 𝑅 = (𝑊 ↾v 𝐴) |
| resvlem.e | ⊢ 𝐶 = (𝐸‘𝑊) |
| resvlem.f | ⊢ 𝐸 = Slot (𝐸‘ndx) |
| resvlem.n | ⊢ (𝐸‘ndx) ≠ (Scalar‘ndx) |
| Ref | Expression |
|---|---|
| resvlem | ⊢ (𝐴 ∈ 𝑉 → 𝐶 = (𝐸‘𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resvlem.e | . 2 ⊢ 𝐶 = (𝐸‘𝑊) | |
| 2 | resvlem.r | . . . . . . 7 ⊢ 𝑅 = (𝑊 ↾v 𝐴) | |
| 3 | eqid 2737 | . . . . . . 7 ⊢ (Scalar‘𝑊) = (Scalar‘𝑊) | |
| 4 | eqid 2737 | . . . . . . 7 ⊢ (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊)) | |
| 5 | 2, 3, 4 | resvid2 33422 | . . . . . 6 ⊢ (((Base‘(Scalar‘𝑊)) ⊆ 𝐴 ∧ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → 𝑅 = 𝑊) |
| 6 | 5 | fveq2d 6846 | . . . . 5 ⊢ (((Base‘(Scalar‘𝑊)) ⊆ 𝐴 ∧ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊)) |
| 7 | 6 | 3expib 1123 | . . . 4 ⊢ ((Base‘(Scalar‘𝑊)) ⊆ 𝐴 → ((𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊))) |
| 8 | 2, 3, 4 | resvval2 33423 | . . . . . . 7 ⊢ ((¬ (Base‘(Scalar‘𝑊)) ⊆ 𝐴 ∧ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → 𝑅 = (𝑊 sSet 〈(Scalar‘ndx), ((Scalar‘𝑊) ↾s 𝐴)〉)) |
| 9 | 8 | fveq2d 6846 | . . . . . 6 ⊢ ((¬ (Base‘(Scalar‘𝑊)) ⊆ 𝐴 ∧ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘(𝑊 sSet 〈(Scalar‘ndx), ((Scalar‘𝑊) ↾s 𝐴)〉))) |
| 10 | resvlem.f | . . . . . . 7 ⊢ 𝐸 = Slot (𝐸‘ndx) | |
| 11 | resvlem.n | . . . . . . 7 ⊢ (𝐸‘ndx) ≠ (Scalar‘ndx) | |
| 12 | 10, 11 | setsnid 17147 | . . . . . 6 ⊢ (𝐸‘𝑊) = (𝐸‘(𝑊 sSet 〈(Scalar‘ndx), ((Scalar‘𝑊) ↾s 𝐴)〉)) |
| 13 | 9, 12 | eqtr4di 2790 | . . . . 5 ⊢ ((¬ (Base‘(Scalar‘𝑊)) ⊆ 𝐴 ∧ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊)) |
| 14 | 13 | 3expib 1123 | . . . 4 ⊢ (¬ (Base‘(Scalar‘𝑊)) ⊆ 𝐴 → ((𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊))) |
| 15 | 7, 14 | pm2.61i 182 | . . 3 ⊢ ((𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊)) |
| 16 | 10 | str0 17128 | . . . . . . 7 ⊢ ∅ = (𝐸‘∅) |
| 17 | 16 | eqcomi 2746 | . . . . . 6 ⊢ (𝐸‘∅) = ∅ |
| 18 | reldmresv 33420 | . . . . . 6 ⊢ Rel dom ↾v | |
| 19 | 17, 2, 18 | oveqprc 17131 | . . . . 5 ⊢ (¬ 𝑊 ∈ V → (𝐸‘𝑊) = (𝐸‘𝑅)) |
| 20 | 19 | eqcomd 2743 | . . . 4 ⊢ (¬ 𝑊 ∈ V → (𝐸‘𝑅) = (𝐸‘𝑊)) |
| 21 | 20 | adantr 480 | . . 3 ⊢ ((¬ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊)) |
| 22 | 15, 21 | pm2.61ian 812 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐸‘𝑅) = (𝐸‘𝑊)) |
| 23 | 1, 22 | eqtr4id 2791 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐶 = (𝐸‘𝑅)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 Vcvv 3442 ⊆ wss 3903 ∅c0 4287 〈cop 4588 ‘cfv 6500 (class class class)co 7368 sSet csts 17102 Slot cslot 17120 ndxcnx 17132 Basecbs 17148 ↾s cress 17169 Scalarcsca 17192 ↾v cresv 33418 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pr 5379 ax-un 7690 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-sbc 3743 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-res 5644 df-iota 6456 df-fun 6502 df-fv 6508 df-ov 7371 df-oprab 7372 df-mpo 7373 df-sets 17103 df-slot 17121 df-resv 33419 |
| This theorem is referenced by: resvbas 33426 resvplusg 33427 resvvsca 33428 resvmulr 33429 |
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