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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fsovcnvfvd | Structured version Visualization version GIF version | ||
| Description: The value of the converse of (𝐴𝑂𝐵), where 𝑂 is the operator which maps between maps from one base set to subsets of the second to maps from the second base set to subsets of the first for base sets, evaluated at function 𝐹. (Contributed by RP, 27-Apr-2021.) |
| Ref | Expression |
|---|---|
| fsovd.fs | ⊢ 𝑂 = (𝑎 ∈ V, 𝑏 ∈ V ↦ (𝑓 ∈ (𝒫 𝑏 ↑m 𝑎) ↦ (𝑦 ∈ 𝑏 ↦ {𝑥 ∈ 𝑎 ∣ 𝑦 ∈ (𝑓‘𝑥)}))) |
| fsovd.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| fsovd.b | ⊢ (𝜑 → 𝐵 ∈ 𝑊) |
| fsovfvd.g | ⊢ 𝐺 = (𝐴𝑂𝐵) |
| fsovcnvfvd.f | ⊢ (𝜑 → 𝐹 ∈ (𝒫 𝐴 ↑m 𝐵)) |
| Ref | Expression |
|---|---|
| fsovcnvfvd | ⊢ (𝜑 → (◡𝐺‘𝐹) = (𝑦 ∈ 𝐴 ↦ {𝑥 ∈ 𝐵 ∣ 𝑦 ∈ (𝐹‘𝑥)})) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fsovd.fs | . . . 4 ⊢ 𝑂 = (𝑎 ∈ V, 𝑏 ∈ V ↦ (𝑓 ∈ (𝒫 𝑏 ↑m 𝑎) ↦ (𝑦 ∈ 𝑏 ↦ {𝑥 ∈ 𝑎 ∣ 𝑦 ∈ (𝑓‘𝑥)}))) | |
| 2 | fsovd.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 3 | fsovd.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑊) | |
| 4 | fsovfvd.g | . . . 4 ⊢ 𝐺 = (𝐴𝑂𝐵) | |
| 5 | eqid 2737 | . . . 4 ⊢ (𝐵𝑂𝐴) = (𝐵𝑂𝐴) | |
| 6 | 1, 2, 3, 4, 5 | fsovcnvd 44399 | . . 3 ⊢ (𝜑 → ◡𝐺 = (𝐵𝑂𝐴)) |
| 7 | 6 | fveq1d 6846 | . 2 ⊢ (𝜑 → (◡𝐺‘𝐹) = ((𝐵𝑂𝐴)‘𝐹)) |
| 8 | fsovcnvfvd.f | . . 3 ⊢ (𝜑 → 𝐹 ∈ (𝒫 𝐴 ↑m 𝐵)) | |
| 9 | 1, 3, 2, 5, 8 | fsovfvd 44395 | . 2 ⊢ (𝜑 → ((𝐵𝑂𝐴)‘𝐹) = (𝑦 ∈ 𝐴 ↦ {𝑥 ∈ 𝐵 ∣ 𝑦 ∈ (𝐹‘𝑥)})) |
| 10 | 7, 9 | eqtrd 2772 | 1 ⊢ (𝜑 → (◡𝐺‘𝐹) = (𝑦 ∈ 𝐴 ↦ {𝑥 ∈ 𝐵 ∣ 𝑦 ∈ (𝐹‘𝑥)})) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 {crab 3401 Vcvv 3442 𝒫 cpw 4556 ↦ cmpt 5181 ◡ccnv 5633 ‘cfv 6502 (class class class)co 7370 ∈ cmpo 7372 ↑m cmap 8777 |
| 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-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 |
| 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-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5529 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-ov 7373 df-oprab 7374 df-mpo 7375 df-1st 7945 df-2nd 7946 df-map 8779 |
| This theorem is referenced by: (None) |
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