Mathbox for Peter Mazsa |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > rnxrnres | Structured version Visualization version GIF version |
Description: Range of a range Cartesian product with a restricted relation. (Contributed by Peter Mazsa, 5-Dec-2021.) |
Ref | Expression |
---|---|
rnxrnres | ⊢ ran (𝑅 ⋉ (𝑆 ↾ 𝐴)) = {〈𝑥, 𝑦〉 ∣ ∃𝑢 ∈ 𝐴 (𝑢𝑅𝑥 ∧ 𝑢𝑆𝑦)} |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rnxrn 36451 | . 2 ⊢ ran (𝑅 ⋉ (𝑆 ↾ 𝐴)) = {〈𝑥, 𝑦〉 ∣ ∃𝑢(𝑢𝑅𝑥 ∧ 𝑢(𝑆 ↾ 𝐴)𝑦)} | |
2 | brres 5887 | . . . . . . . 8 ⊢ (𝑦 ∈ V → (𝑢(𝑆 ↾ 𝐴)𝑦 ↔ (𝑢 ∈ 𝐴 ∧ 𝑢𝑆𝑦))) | |
3 | 2 | elv 3428 | . . . . . . 7 ⊢ (𝑢(𝑆 ↾ 𝐴)𝑦 ↔ (𝑢 ∈ 𝐴 ∧ 𝑢𝑆𝑦)) |
4 | 3 | anbi2i 622 | . . . . . 6 ⊢ ((𝑢𝑅𝑥 ∧ 𝑢(𝑆 ↾ 𝐴)𝑦) ↔ (𝑢𝑅𝑥 ∧ (𝑢 ∈ 𝐴 ∧ 𝑢𝑆𝑦))) |
5 | an12 641 | . . . . . 6 ⊢ ((𝑢 ∈ 𝐴 ∧ (𝑢𝑅𝑥 ∧ 𝑢𝑆𝑦)) ↔ (𝑢𝑅𝑥 ∧ (𝑢 ∈ 𝐴 ∧ 𝑢𝑆𝑦))) | |
6 | 4, 5 | bitr4i 277 | . . . . 5 ⊢ ((𝑢𝑅𝑥 ∧ 𝑢(𝑆 ↾ 𝐴)𝑦) ↔ (𝑢 ∈ 𝐴 ∧ (𝑢𝑅𝑥 ∧ 𝑢𝑆𝑦))) |
7 | 6 | exbii 1851 | . . . 4 ⊢ (∃𝑢(𝑢𝑅𝑥 ∧ 𝑢(𝑆 ↾ 𝐴)𝑦) ↔ ∃𝑢(𝑢 ∈ 𝐴 ∧ (𝑢𝑅𝑥 ∧ 𝑢𝑆𝑦))) |
8 | df-rex 3069 | . . . 4 ⊢ (∃𝑢 ∈ 𝐴 (𝑢𝑅𝑥 ∧ 𝑢𝑆𝑦) ↔ ∃𝑢(𝑢 ∈ 𝐴 ∧ (𝑢𝑅𝑥 ∧ 𝑢𝑆𝑦))) | |
9 | 7, 8 | bitr4i 277 | . . 3 ⊢ (∃𝑢(𝑢𝑅𝑥 ∧ 𝑢(𝑆 ↾ 𝐴)𝑦) ↔ ∃𝑢 ∈ 𝐴 (𝑢𝑅𝑥 ∧ 𝑢𝑆𝑦)) |
10 | 9 | opabbii 5137 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ∃𝑢(𝑢𝑅𝑥 ∧ 𝑢(𝑆 ↾ 𝐴)𝑦)} = {〈𝑥, 𝑦〉 ∣ ∃𝑢 ∈ 𝐴 (𝑢𝑅𝑥 ∧ 𝑢𝑆𝑦)} |
11 | 1, 10 | eqtri 2766 | 1 ⊢ ran (𝑅 ⋉ (𝑆 ↾ 𝐴)) = {〈𝑥, 𝑦〉 ∣ ∃𝑢 ∈ 𝐴 (𝑢𝑅𝑥 ∧ 𝑢𝑆𝑦)} |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 205 ∧ wa 395 = wceq 1539 ∃wex 1783 ∈ wcel 2108 ∃wrex 3064 Vcvv 3422 class class class wbr 5070 {copab 5132 ran crn 5581 ↾ cres 5582 ⋉ cxrn 36259 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pr 5347 ax-un 7566 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-ral 3068 df-rex 3069 df-rab 3072 df-v 3424 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-fo 6424 df-fv 6426 df-1st 7804 df-2nd 7805 df-ec 8458 df-xrn 36428 |
This theorem is referenced by: rnxrncnvepres 36453 rnxrnidres 36454 |
Copyright terms: Public domain | W3C validator |