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| Mirrors > Home > MPE Home > Th. List > Mathboxes > disjimxrnres | Structured version Visualization version GIF version | ||
| Description: Disjointness condition for range Cartesian product with restriction. (Contributed by Peter Mazsa, 27-Sep-2021.) |
| Ref | Expression |
|---|---|
| disjimxrnres | ⊢ ( Disj 𝑆 → Disj (𝑅 ⋉ (𝑆 ↾ 𝐴))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | disjimres 38727 | . 2 ⊢ ( Disj 𝑆 → Disj (𝑆 ↾ 𝐴)) | |
| 2 | disjimxrn 38726 | . 2 ⊢ ( Disj (𝑆 ↾ 𝐴) → Disj (𝑅 ⋉ (𝑆 ↾ 𝐴))) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ ( Disj 𝑆 → Disj (𝑅 ⋉ (𝑆 ↾ 𝐴))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↾ cres 5625 ⋉ cxrn 38153 Disj wdisjALTV 38188 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5238 ax-nul 5248 ax-pr 5374 ax-un 7675 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-rab 3397 df-v 3440 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4479 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4862 df-br 5096 df-opab 5158 df-mpt 5177 df-id 5518 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-fo 6492 df-fv 6494 df-1st 7931 df-2nd 7932 df-ec 8634 df-xrn 38338 df-coss 38387 df-cnvrefrel 38503 df-funALTV 38659 df-disjALTV 38682 |
| This theorem is referenced by: disjALTVxrnidres 38735 |
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