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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 2734 | . . . 4 ⊢ (𝐵𝑂𝐴) = (𝐵𝑂𝐴) | |
| 6 | 1, 2, 3, 4, 5 | fsovcnvd 44197 | . . 3 ⊢ (𝜑 → ◡𝐺 = (𝐵𝑂𝐴)) |
| 7 | 6 | fveq1d 6834 | . 2 ⊢ (𝜑 → (◡𝐺‘𝐹) = ((𝐵𝑂𝐴)‘𝐹)) |
| 8 | fsovcnvfvd.f | . . 3 ⊢ (𝜑 → 𝐹 ∈ (𝒫 𝐴 ↑m 𝐵)) | |
| 9 | 1, 3, 2, 5, 8 | fsovfvd 44193 | . 2 ⊢ (𝜑 → ((𝐵𝑂𝐴)‘𝐹) = (𝑦 ∈ 𝐴 ↦ {𝑥 ∈ 𝐵 ∣ 𝑦 ∈ (𝐹‘𝑥)})) |
| 10 | 7, 9 | eqtrd 2769 | 1 ⊢ (𝜑 → (◡𝐺‘𝐹) = (𝑦 ∈ 𝐴 ↦ {𝑥 ∈ 𝐵 ∣ 𝑦 ∈ (𝐹‘𝑥)})) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 {crab 3397 Vcvv 3438 𝒫 cpw 4552 ↦ cmpt 5177 ◡ccnv 5621 ‘cfv 6490 (class class class)co 7356 ∈ cmpo 7358 ↑m cmap 8761 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-rep 5222 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-ov 7359 df-oprab 7360 df-mpo 7361 df-1st 7931 df-2nd 7932 df-map 8763 |
| This theorem is referenced by: (None) |
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