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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 38735 | . 2 ⊢ ( Disj 𝑆 → Disj (𝑆 ↾ 𝐴)) | |
| 2 | disjimxrn 38734 | . 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 5648 ⋉ cxrn 38165 Disj wdisjALTV 38200 |
| 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 2702 ax-sep 5259 ax-nul 5269 ax-pr 5395 ax-un 7718 |
| 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 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2880 df-ne 2928 df-ral 3047 df-rex 3056 df-rab 3412 df-v 3457 df-dif 3925 df-un 3927 df-in 3929 df-ss 3939 df-nul 4305 df-if 4497 df-sn 4598 df-pr 4600 df-op 4604 df-uni 4880 df-br 5116 df-opab 5178 df-mpt 5197 df-id 5541 df-xp 5652 df-rel 5653 df-cnv 5654 df-co 5655 df-dm 5656 df-rn 5657 df-res 5658 df-ima 5659 df-iota 6472 df-fun 6521 df-fn 6522 df-f 6523 df-fo 6525 df-fv 6527 df-1st 7977 df-2nd 7978 df-ec 8684 df-xrn 38356 df-coss 38396 df-cnvrefrel 38512 df-funALTV 38667 df-disjALTV 38690 |
| This theorem is referenced by: disjALTVxrnidres 38743 |
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