Mathbox for Rohan Ridenour |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > grucollcld | Structured version Visualization version GIF version |
Description: A Grothendieck universe contains the output of a collection operation whenever its left input is a relation on the universe, and its right input is in the universe. (Contributed by Rohan Ridenour, 11-Aug-2023.) |
Ref | Expression |
---|---|
grucollcld.1 | ⊢ (𝜑 → 𝐺 ∈ Univ) |
grucollcld.2 | ⊢ (𝜑 → 𝐹 ⊆ (𝐺 × 𝐺)) |
grucollcld.3 | ⊢ (𝜑 → 𝐴 ∈ 𝐺) |
Ref | Expression |
---|---|
grucollcld | ⊢ (𝜑 → (𝐹 Coll 𝐴) ∈ 𝐺) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfcoll2 41870 | . 2 ⊢ (𝐹 Coll 𝐴) = ∪ 𝑥 ∈ 𝐴 Scott {𝑦 ∣ 𝑥𝐹𝑦} | |
2 | grucollcld.1 | . . 3 ⊢ (𝜑 → 𝐺 ∈ Univ) | |
3 | grucollcld.3 | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝐺) | |
4 | simpr 485 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ Scott {𝑦 ∣ 𝑥𝐹𝑦} = ∅) → Scott {𝑦 ∣ 𝑥𝐹𝑦} = ∅) | |
5 | 2 | ad2antrr 723 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ Scott {𝑦 ∣ 𝑥𝐹𝑦} = ∅) → 𝐺 ∈ Univ) |
6 | 3 | ad2antrr 723 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ Scott {𝑦 ∣ 𝑥𝐹𝑦} = ∅) → 𝐴 ∈ 𝐺) |
7 | 5, 6 | gru0eld 41847 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ Scott {𝑦 ∣ 𝑥𝐹𝑦} = ∅) → ∅ ∈ 𝐺) |
8 | 4, 7 | eqeltrd 2839 | . . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ Scott {𝑦 ∣ 𝑥𝐹𝑦} = ∅) → Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺) |
9 | neq0 4279 | . . . . . . 7 ⊢ (¬ Scott {𝑦 ∣ 𝑥𝐹𝑦} = ∅ ↔ ∃𝑧 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦}) | |
10 | 2 | ad2antrr 723 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦}) → 𝐺 ∈ Univ) |
11 | breq2 5078 | . . . . . . . . . . . . . 14 ⊢ (𝑦 = 𝑧 → (𝑥𝐹𝑦 ↔ 𝑥𝐹𝑧)) | |
12 | 11 | elscottab 41862 | . . . . . . . . . . . . 13 ⊢ (𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦} → 𝑥𝐹𝑧) |
13 | 12 | adantl 482 | . . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦}) → 𝑥𝐹𝑧) |
14 | grucollcld.2 | . . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐹 ⊆ (𝐺 × 𝐺)) | |
15 | 14 | ad2antrr 723 | . . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦}) → 𝐹 ⊆ (𝐺 × 𝐺)) |
16 | 15 | ssbrd 5117 | . . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦}) → (𝑥𝐹𝑧 → 𝑥(𝐺 × 𝐺)𝑧)) |
17 | 13, 16 | mpd 15 | . . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦}) → 𝑥(𝐺 × 𝐺)𝑧) |
18 | brxp 5636 | . . . . . . . . . . . 12 ⊢ (𝑥(𝐺 × 𝐺)𝑧 ↔ (𝑥 ∈ 𝐺 ∧ 𝑧 ∈ 𝐺)) | |
19 | 18 | simprbi 497 | . . . . . . . . . . 11 ⊢ (𝑥(𝐺 × 𝐺)𝑧 → 𝑧 ∈ 𝐺) |
20 | 17, 19 | syl 17 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦}) → 𝑧 ∈ 𝐺) |
21 | simpr 485 | . . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦}) → 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦}) | |
22 | 10, 20, 21 | gruscottcld 41867 | . . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦}) → Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺) |
23 | 22 | expcom 414 | . . . . . . . 8 ⊢ (𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦} → ((𝜑 ∧ 𝑥 ∈ 𝐴) → Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺)) |
24 | 23 | exlimiv 1933 | . . . . . . 7 ⊢ (∃𝑧 𝑧 ∈ Scott {𝑦 ∣ 𝑥𝐹𝑦} → ((𝜑 ∧ 𝑥 ∈ 𝐴) → Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺)) |
25 | 9, 24 | sylbi 216 | . . . . . 6 ⊢ (¬ Scott {𝑦 ∣ 𝑥𝐹𝑦} = ∅ → ((𝜑 ∧ 𝑥 ∈ 𝐴) → Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺)) |
26 | 25 | impcom 408 | . . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ ¬ Scott {𝑦 ∣ 𝑥𝐹𝑦} = ∅) → Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺) |
27 | 8, 26 | pm2.61dan 810 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺) |
28 | 27 | ralrimiva 3103 | . . 3 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺) |
29 | gruiun 10555 | . . 3 ⊢ ((𝐺 ∈ Univ ∧ 𝐴 ∈ 𝐺 ∧ ∀𝑥 ∈ 𝐴 Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺) → ∪ 𝑥 ∈ 𝐴 Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺) | |
30 | 2, 3, 28, 29 | syl3anc 1370 | . 2 ⊢ (𝜑 → ∪ 𝑥 ∈ 𝐴 Scott {𝑦 ∣ 𝑥𝐹𝑦} ∈ 𝐺) |
31 | 1, 30 | eqeltrid 2843 | 1 ⊢ (𝜑 → (𝐹 Coll 𝐴) ∈ 𝐺) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 396 = wceq 1539 ∃wex 1782 ∈ wcel 2106 {cab 2715 ∀wral 3064 ⊆ wss 3887 ∅c0 4256 ∪ ciun 4924 class class class wbr 5074 × cxp 5587 Univcgru 10546 Scott cscott 41853 Coll ccoll 41868 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-reg 9351 ax-inf2 9399 ax-ac2 10219 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-iin 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-map 8617 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-tc 9495 df-r1 9522 df-rank 9523 df-card 9697 df-cf 9699 df-acn 9700 df-ac 9872 df-wina 10440 df-ina 10441 df-gru 10547 df-scott 41854 df-coll 41869 |
This theorem is referenced by: grumnudlem 41903 |
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