| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > dvdsrzring | GIF version | ||
| Description: Ring divisibility in the ring of integers corresponds to ordinary divisibility in ℤ. (Contributed by Stefan O'Rear, 3-Jan-2015.) (Revised by AV, 9-Jun-2019.) |
| Ref | Expression |
|---|---|
| dvdsrzring | ⊢ ∥ = (∥r‘ℤring) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 109 | . . . . 5 ⊢ ((𝑥 ∈ ℤ ∧ 𝑦 ∈ ℤ) → 𝑥 ∈ ℤ) | |
| 2 | 1 | anim1i 340 | . . . 4 ⊢ (((𝑥 ∈ ℤ ∧ 𝑦 ∈ ℤ) ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦) → (𝑥 ∈ ℤ ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦)) |
| 3 | simpl 109 | . . . . 5 ⊢ ((𝑥 ∈ ℤ ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦) → 𝑥 ∈ ℤ) | |
| 4 | zmulcl 9526 | . . . . . . . . 9 ⊢ ((𝑧 ∈ ℤ ∧ 𝑥 ∈ ℤ) → (𝑧 · 𝑥) ∈ ℤ) | |
| 5 | 4 | ancoms 268 | . . . . . . . 8 ⊢ ((𝑥 ∈ ℤ ∧ 𝑧 ∈ ℤ) → (𝑧 · 𝑥) ∈ ℤ) |
| 6 | eleq1 2292 | . . . . . . . 8 ⊢ ((𝑧 · 𝑥) = 𝑦 → ((𝑧 · 𝑥) ∈ ℤ ↔ 𝑦 ∈ ℤ)) | |
| 7 | 5, 6 | syl5ibcom 155 | . . . . . . 7 ⊢ ((𝑥 ∈ ℤ ∧ 𝑧 ∈ ℤ) → ((𝑧 · 𝑥) = 𝑦 → 𝑦 ∈ ℤ)) |
| 8 | 7 | rexlimdva 2648 | . . . . . 6 ⊢ (𝑥 ∈ ℤ → (∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦 → 𝑦 ∈ ℤ)) |
| 9 | 8 | imp 124 | . . . . 5 ⊢ ((𝑥 ∈ ℤ ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦) → 𝑦 ∈ ℤ) |
| 10 | simpr 110 | . . . . 5 ⊢ ((𝑥 ∈ ℤ ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦) → ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦) | |
| 11 | 3, 9, 10 | jca31 309 | . . . 4 ⊢ ((𝑥 ∈ ℤ ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦) → ((𝑥 ∈ ℤ ∧ 𝑦 ∈ ℤ) ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦)) |
| 12 | 2, 11 | impbii 126 | . . 3 ⊢ (((𝑥 ∈ ℤ ∧ 𝑦 ∈ ℤ) ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦) ↔ (𝑥 ∈ ℤ ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦)) |
| 13 | 12 | opabbii 4154 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ ℤ ∧ 𝑦 ∈ ℤ) ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦)} = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℤ ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦)} |
| 14 | df-dvds 12342 | . 2 ⊢ ∥ = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ ℤ ∧ 𝑦 ∈ ℤ) ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦)} | |
| 15 | zringbas 14603 | . . . . 5 ⊢ ℤ = (Base‘ℤring) | |
| 16 | 15 | a1i 9 | . . . 4 ⊢ (⊤ → ℤ = (Base‘ℤring)) |
| 17 | eqidd 2230 | . . . 4 ⊢ (⊤ → (∥r‘ℤring) = (∥r‘ℤring)) | |
| 18 | zringring 14600 | . . . . 5 ⊢ ℤring ∈ Ring | |
| 19 | ringsrg 14053 | . . . . 5 ⊢ (ℤring ∈ Ring → ℤring ∈ SRing) | |
| 20 | 18, 19 | mp1i 10 | . . . 4 ⊢ (⊤ → ℤring ∈ SRing) |
| 21 | zringmulr 14606 | . . . . 5 ⊢ · = (.r‘ℤring) | |
| 22 | 21 | a1i 9 | . . . 4 ⊢ (⊤ → · = (.r‘ℤring)) |
| 23 | 16, 17, 20, 22 | dvdsrvald 14100 | . . 3 ⊢ (⊤ → (∥r‘ℤring) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℤ ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦)}) |
| 24 | 23 | mptru 1404 | . 2 ⊢ (∥r‘ℤring) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℤ ∧ ∃𝑧 ∈ ℤ (𝑧 · 𝑥) = 𝑦)} |
| 25 | 13, 14, 24 | 3eqtr4i 2260 | 1 ⊢ ∥ = (∥r‘ℤring) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 = wceq 1395 ⊤wtru 1396 ∈ wcel 2200 ∃wrex 2509 {copab 4147 ‘cfv 5324 (class class class)co 6013 · cmul 8030 ℤcz 9472 ∥ cdvds 12341 Basecbs 13075 .rcmulr 13154 SRingcsrg 13969 Ringcrg 14002 ∥rcdsr 14092 ℤringczring 14597 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4202 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8116 ax-resscn 8117 ax-1cn 8118 ax-1re 8119 ax-icn 8120 ax-addcl 8121 ax-addrcl 8122 ax-mulcl 8123 ax-mulrcl 8124 ax-addcom 8125 ax-mulcom 8126 ax-addass 8127 ax-mulass 8128 ax-distr 8129 ax-i2m1 8130 ax-0lt1 8131 ax-1rid 8132 ax-0id 8133 ax-rnegex 8134 ax-precex 8135 ax-cnre 8136 ax-pre-ltirr 8137 ax-pre-ltwlin 8138 ax-pre-lttrn 8139 ax-pre-apti 8140 ax-pre-ltadd 8141 ax-pre-mulgt0 8142 ax-addf 8147 ax-mulf 8148 |
| This theorem depends on definitions: df-bi 117 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-nul 3493 df-pw 3652 df-sn 3673 df-pr 3674 df-tp 3675 df-op 3676 df-uni 3892 df-int 3927 df-iun 3970 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-iota 5284 df-fun 5326 df-fn 5327 df-f 5328 df-f1 5329 df-fo 5330 df-f1o 5331 df-fv 5332 df-riota 5966 df-ov 6016 df-oprab 6017 df-mpo 6018 df-1st 6298 df-2nd 6299 df-pnf 8209 df-mnf 8210 df-xr 8211 df-ltxr 8212 df-le 8213 df-sub 8345 df-neg 8346 df-reap 8748 df-inn 9137 df-2 9195 df-3 9196 df-4 9197 df-5 9198 df-6 9199 df-7 9200 df-8 9201 df-9 9202 df-n0 9396 df-z 9473 df-dec 9605 df-uz 9749 df-rp 9882 df-fz 10237 df-cj 11396 df-abs 11553 df-dvds 12342 df-struct 13077 df-ndx 13078 df-slot 13079 df-base 13081 df-sets 13082 df-iress 13083 df-plusg 13166 df-mulr 13167 df-starv 13168 df-tset 13172 df-ple 13173 df-ds 13175 df-unif 13176 df-0g 13334 df-topgen 13336 df-mgm 13432 df-sgrp 13478 df-mnd 13493 df-grp 13579 df-minusg 13580 df-subg 13750 df-cmn 13866 df-abl 13867 df-mgp 13927 df-ur 13966 df-srg 13970 df-ring 14004 df-cring 14005 df-dvdsr 14095 df-subrg 14226 df-bl 14553 df-mopn 14554 df-fg 14556 df-metu 14557 df-cnfld 14564 df-zring 14598 |
| This theorem is referenced by: zndvds 14656 |
| Copyright terms: Public domain | W3C validator |