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| Mirrors > Home > MPE Home > Th. List > Mathboxes > imasubclem1 | Structured version Visualization version GIF version | ||
| Description: Lemma for imasubc 50062. (Contributed by Zhi Wang, 6-Nov-2025.) |
| Ref | Expression |
|---|---|
| imasubclem1.f | ⊢ (𝜑 → 𝐹 ∈ 𝑉) |
| imasubclem1.g | ⊢ (𝜑 → 𝐺 ∈ 𝑊) |
| Ref | Expression |
|---|---|
| imasubclem1 | ⊢ (𝜑 → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imasubclem1.f | . . . . 5 ⊢ (𝜑 → 𝐹 ∈ 𝑉) | |
| 2 | cnvexg 7924 | . . . . 5 ⊢ (𝐹 ∈ 𝑉 → ◡𝐹 ∈ V) | |
| 3 | 1, 2 | syl 18 | . . . 4 ⊢ (𝜑 → ◡𝐹 ∈ V) |
| 4 | 3 | imaexd 7916 | . . 3 ⊢ (𝜑 → (◡𝐹 “ 𝐴) ∈ V) |
| 5 | imasubclem1.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ 𝑊) | |
| 6 | cnvexg 7924 | . . . . 5 ⊢ (𝐺 ∈ 𝑊 → ◡𝐺 ∈ V) | |
| 7 | 5, 6 | syl 18 | . . . 4 ⊢ (𝜑 → ◡𝐺 ∈ V) |
| 8 | 7 | imaexd 7916 | . . 3 ⊢ (𝜑 → (◡𝐺 “ 𝐵) ∈ V) |
| 9 | 4, 8 | xpexd 7753 | . 2 ⊢ (𝜑 → ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵)) ∈ V) |
| 10 | fvex 6895 | . . . 4 ⊢ (𝐻‘𝐶) ∈ V | |
| 11 | 10 | imaex 7914 | . . 3 ⊢ ((𝐻‘𝐶) “ 𝐷) ∈ V |
| 12 | 11 | rgenw 3082 | . 2 ⊢ ∀𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V |
| 13 | iunexg 7963 | . 2 ⊢ ((((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵)) ∈ V ∧ ∀𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) | |
| 14 | 9, 12, 13 | sylancl 598 | 1 ⊢ (𝜑 → ∪ 𝑥 ∈ ((◡𝐹 “ 𝐴) × (◡𝐺 “ 𝐵))((𝐻‘𝐶) “ 𝐷) ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ∀wral 3078 Vcvv 3453 ∪ ciun 4954 × cxp 5657 ◡ccnv 5658 “ cima 5662 ‘cfv 6537 |
| 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-11 2194 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 |
| 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-sb 2100 df-mo 2566 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-xp 5665 df-rel 5666 df-cnv 5667 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fv 6545 |
| This theorem is used by: imasubclem2 50016 imasubclem3 50017 |
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