| Mathbox for Zhi Wang |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > imasubclem2 | Structured version Visualization version GIF version | ||
| Description: Lemma for imasubc 50078. (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 50031 | . . . 4 ⊢ (𝜑 → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) |
| 4 | 3 | adantr 486 | . . 3 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝑋 ∧ 𝑧 ∈ 𝑌)) → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) |
| 5 | 4 | ralrimivva 3205 | . 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 8067 | . 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 |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3076 Vcvv 3450 ∪ ciun 4951 × cxp 5653 ◡ccnv 5654 “ cima 5658 Fn wfn 6528 ‘cfv 6533 ∈ 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-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-fv 6541 df-oprab 7418 df-mpo 7419 df-1st 7987 df-2nd 7988 |
| This theorem is used by: imaidfu 50037 imasubc 50078 imassc 50080 imasubc3 50083 |
| Copyright terms: Public domain | W3C validator |