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| Mirrors > Home > MPE Home > Th. List > Mathboxes > imasubclem2 | Structured version Visualization version GIF version | ||
| Description: Lemma for imasubc 49641. (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 49594 | . . . 4 ⊢ (𝜑 → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) |
| 4 | 3 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝑋 ∧ 𝑧 ∈ 𝑌)) → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) |
| 5 | 4 | ralrimivva 3182 | . 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 8011 | . 2 ⊢ (∀𝑦 ∈ 𝑋 ∀𝑧 ∈ 𝑌 ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V → 𝐾 Fn (𝑋 × 𝑌)) |
| 8 | 5, 7 | syl 17 | 1 ⊢ (𝜑 → 𝐾 Fn (𝑋 × 𝑌)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 = wceq 1547 ∈ wcel 2119 ∀wral 3053 Vcvv 3431 ∪ ciun 4921 × cxp 5616 ◡ccnv 5617 “ cima 5621 Fn wfn 6480 ‘cfv 6485 ∈ cmpo 7358 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-rep 5199 ax-sep 5218 ax-nul 5228 ax-pow 5294 ax-pr 5362 ax-un 7678 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-iun 4923 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-fv 6493 df-oprab 7360 df-mpo 7361 df-1st 7931 df-2nd 7932 |
| This theorem is referenced by: imaidfu 49600 imasubc 49641 imassc 49643 imasubc3 49646 |
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