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| Mirrors > Home > MPE Home > Th. List > mpoexg | Structured version Visualization version GIF version | ||
| Description: Existence of an operation class abstraction (special case). (Contributed by FL, 17-May-2010.) (Revised by Mario Carneiro, 1-Sep-2015.) |
| Ref | Expression |
|---|---|
| mpoexg.1 | ⊢ 𝐹 = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) |
| Ref | Expression |
|---|---|
| mpoexg | ⊢ ((𝐴 ∈ 𝑅 ∧ 𝐵 ∈ 𝑆) → 𝐹 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 3471 | . . 3 ⊢ (𝐵 ∈ 𝑆 → 𝐵 ∈ V) | |
| 2 | elex 3471 | . . . 4 ⊢ (𝐵 ∈ V → 𝐵 ∈ V) | |
| 3 | 2 | ralrimivw 3158 | . . 3 ⊢ (𝐵 ∈ V → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 4 | 1, 3 | syl 18 | . 2 ⊢ (𝐵 ∈ 𝑆 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 5 | mpoexg.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) | |
| 6 | 5 | mpoexxg 8075 | . 2 ⊢ ((𝐴 ∈ 𝑅 ∧ ∀𝑥 ∈ 𝐴 𝐵 ∈ V) → 𝐹 ∈ V) |
| 7 | 4, 6 | sylan2 605 | 1 ⊢ ((𝐴 ∈ 𝑅 ∧ 𝐵 ∈ 𝑆) → 𝐹 ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3076 Vcvv 3450 ∈ cmpo 7416 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 |
| 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 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-oprab 7418 df-mpo 7419 df-1st 7987 df-2nd 7988 |
| This theorem is used by: mpoexga 8077 rmodislmod 21115 sltmuls1 28413 sltmuls2 28414 rlocaddval 33710 rlocmulval 33711 eulerpartgbij 34884 hspval 47438 digfval 49528 |
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