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| Mirrors > Home > MPE Home > Th. List > Mathboxes > imasubclem2 | Structured version Visualization version GIF version | ||
| Description: Lemma for imasubc 49949. (Contributed by Zhi Wang, 7-Nov-2025.) |
| Ref | Expression |
|---|---|
| imasubclem1.f | ⊢ (𝜑 → 𝐹 ∈ 𝑉) |
| imasubclem1.g | ⊢ (𝜑 → 𝐺 ∈ 𝑊) |
| imasubclem2.k | ⊢ 𝐾 = (𝑦 ∈ 𝑋, 𝑧 ∈ 𝑌 ↦ ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷)) |
| Ref | Expression |
|---|---|
| imasubclem2 | ⊢ (𝜑 → 𝐾 Fn (𝑋 × 𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imasubclem1.f | . . . . 5 ⊢ (𝜑 → 𝐹 ∈ 𝑉) | |
| 2 | imasubclem1.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ 𝑊) | |
| 3 | 1, 2 | imasubclem1 49902 | . . . 4 ⊢ (𝜑 → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) |
| 4 | 3 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝑋 ∧ 𝑧 ∈ 𝑌)) → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) |
| 5 | 4 | ralrimivva 3208 | . 2 ⊢ (𝜑 → ∀𝑦 ∈ 𝑋 ∀𝑧 ∈ 𝑌 ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) |
| 6 | imasubclem2.k | . . 3 ⊢ 𝐾 = (𝑦 ∈ 𝑋, 𝑧 ∈ 𝑌 ↦ ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷)) | |
| 7 | 6 | fnmpo 8062 | . 2 ⊢ (∀𝑦 ∈ 𝑋 ∀𝑧 ∈ 𝑌 ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V → 𝐾 Fn (𝑋 × 𝑌)) |
| 8 | 5, 7 | syl 18 | 1 ⊢ (𝜑 → 𝐾 Fn (𝑋 × 𝑌)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 ∀wral 3079 Vcvv 3455 ∪ ciun 4956 × cxp 5659 ◡ccnv 5660 “ cima 5664 Fn wfn 6531 ‘cfv 6536 ∈ cmpo 7412 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-fv 6544 df-oprab 7414 df-mpo 7415 df-1st 7982 df-2nd 7983 |
| This theorem is referenced by: imaidfu 49908 imasubc 49949 imassc 49951 imasubc3 49954 |
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