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| Mirrors > Home > MPE Home > Th. List > Mathboxes > xrncnvepresex | Structured version Visualization version GIF version | ||
| Description: Sufficient condition for a range Cartesian product with restricted converse epsilon to be a set. (Contributed by Peter Mazsa, 16-Dec-2020.) (Revised by Peter Mazsa, 23-Sep-2021.) |
| Ref | Expression |
|---|---|
| xrncnvepresex | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 ⋉ (◡ E ↾ 𝐴)) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnvepresex 38645 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (◡ E ↾ 𝐴) ∈ V) | |
| 2 | 1 | adantr 480 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (◡ E ↾ 𝐴) ∈ V) |
| 3 | xrnresex 38738 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊 ∧ (◡ E ↾ 𝐴) ∈ V) → (𝑅 ⋉ (◡ E ↾ 𝐴)) ∈ V) | |
| 4 | 2, 3 | mpd3an3 1465 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 ⋉ (◡ E ↾ 𝐴)) ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2114 Vcvv 3427 E cep 5519 ◡ccnv 5619 ↾ cres 5622 ⋉ cxrn 38483 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2184 ax-ext 2707 ax-rep 5201 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2931 df-ral 3050 df-rex 3060 df-rab 3388 df-v 3429 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4841 df-iun 4925 df-br 5075 df-opab 5137 df-mpt 5156 df-id 5515 df-eprel 5520 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-fo 6493 df-fv 6495 df-1st 7931 df-2nd 7932 df-xrn 38689 |
| This theorem is referenced by: eceldmqsxrncnvepres 38745 eceldmqsxrncnvepres2 38746 1cossxrncnvepresex 38821 pets 39275 dfpetparts2 39281 |
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