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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 1cossxrncnvepresex | Structured version Visualization version GIF version | ||
| Description: Sufficient condition for a restricted converse epsilon range Cartesian product to be a set. (Contributed by Peter Mazsa, 23-Sep-2021.) |
| Ref | Expression |
|---|---|
| 1cossxrncnvepresex | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → ≀ (𝑅 ⋉ (◡ E ↾ 𝐴)) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrncnvepresex 38935 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 ⋉ (◡ E ↾ 𝐴)) ∈ V) | |
| 2 | cossex 39013 | . 2 ⊢ ((𝑅 ⋉ (◡ E ↾ 𝐴)) ∈ V → ≀ (𝑅 ⋉ (◡ E ↾ 𝐴)) ∈ V) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → ≀ (𝑅 ⋉ (◡ E ↾ 𝐴)) ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 ∈ wcel 2144 Vcvv 3456 E cep 5548 ◡ccnv 5648 ↾ cres 5651 ⋉ cxrn 38678 ≀ ccoss 38687 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-rep 5229 ax-sep 5248 ax-nul 5258 ax-pow 5324 ax-pr 5392 ax-un 7720 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3079 df-rex 3089 df-rab 3417 df-v 3458 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-id 5544 df-eprel 5549 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-iota 6479 df-fun 6525 df-fn 6526 df-f 6527 df-fo 6529 df-fv 6531 df-1st 7972 df-2nd 7973 df-xrn 38884 df-coss 39005 |
| This theorem is referenced by: pets 39470 dfpeters2 39478 |
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