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| Mirrors > Home > MPE Home > Th. List > pzriprnglem13 | Structured version Visualization version GIF version | ||
| Description: Lemma 13 for pzriprng 21466: 𝑄 is a unital ring. (Contributed by AV, 23-Mar-2025.) |
| Ref | Expression |
|---|---|
| pzriprng.r | ⊢ 𝑅 = (ℤring ×s ℤring) |
| pzriprng.i | ⊢ 𝐼 = (ℤ × {0}) |
| pzriprng.j | ⊢ 𝐽 = (𝑅 ↾s 𝐼) |
| pzriprng.1 | ⊢ 1 = (1r‘𝐽) |
| pzriprng.g | ⊢ ∼ = (𝑅 ~QG 𝐼) |
| pzriprng.q | ⊢ 𝑄 = (𝑅 /s ∼ ) |
| Ref | Expression |
|---|---|
| pzriprnglem13 | ⊢ 𝑄 ∈ Ring |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pzriprng.r | . . . 4 ⊢ 𝑅 = (ℤring ×s ℤring) | |
| 2 | 1 | pzriprnglem1 21450 | . . 3 ⊢ 𝑅 ∈ Rng |
| 3 | pzriprng.i | . . . 4 ⊢ 𝐼 = (ℤ × {0}) | |
| 4 | pzriprng.j | . . . 4 ⊢ 𝐽 = (𝑅 ↾s 𝐼) | |
| 5 | 1, 3, 4 | pzriprnglem8 21457 | . . 3 ⊢ 𝐼 ∈ (2Ideal‘𝑅) |
| 6 | 1, 3 | pzriprnglem4 21453 | . . 3 ⊢ 𝐼 ∈ (SubGrp‘𝑅) |
| 7 | pzriprng.q | . . . . 5 ⊢ 𝑄 = (𝑅 /s ∼ ) | |
| 8 | pzriprng.g | . . . . . 6 ⊢ ∼ = (𝑅 ~QG 𝐼) | |
| 9 | 8 | oveq2i 7367 | . . . . 5 ⊢ (𝑅 /s ∼ ) = (𝑅 /s (𝑅 ~QG 𝐼)) |
| 10 | 7, 9 | eqtri 2758 | . . . 4 ⊢ 𝑄 = (𝑅 /s (𝑅 ~QG 𝐼)) |
| 11 | eqid 2735 | . . . 4 ⊢ (2Ideal‘𝑅) = (2Ideal‘𝑅) | |
| 12 | 10, 11 | qus2idrng 21260 | . . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝐼 ∈ (2Ideal‘𝑅) ∧ 𝐼 ∈ (SubGrp‘𝑅)) → 𝑄 ∈ Rng) |
| 13 | 2, 5, 6, 12 | mp3an 1464 | . 2 ⊢ 𝑄 ∈ Rng |
| 14 | 1z 12546 | . . . . . 6 ⊢ 1 ∈ ℤ | |
| 15 | zex 12522 | . . . . . . . 8 ⊢ ℤ ∈ V | |
| 16 | snex 5370 | . . . . . . . 8 ⊢ {1} ∈ V | |
| 17 | 15, 16 | xpex 7696 | . . . . . . 7 ⊢ (ℤ × {1}) ∈ V |
| 18 | 17 | snid 4596 | . . . . . 6 ⊢ (ℤ × {1}) ∈ {(ℤ × {1})} |
| 19 | sneq 4567 | . . . . . . . . . 10 ⊢ (𝑦 = 1 → {𝑦} = {1}) | |
| 20 | 19 | xpeq2d 5650 | . . . . . . . . 9 ⊢ (𝑦 = 1 → (ℤ × {𝑦}) = (ℤ × {1})) |
| 21 | 20 | sneqd 4569 | . . . . . . . 8 ⊢ (𝑦 = 1 → {(ℤ × {𝑦})} = {(ℤ × {1})}) |
| 22 | 21 | eleq2d 2821 | . . . . . . 7 ⊢ (𝑦 = 1 → ((ℤ × {1}) ∈ {(ℤ × {𝑦})} ↔ (ℤ × {1}) ∈ {(ℤ × {1})})) |
| 23 | 22 | rspcev 3562 | . . . . . 6 ⊢ ((1 ∈ ℤ ∧ (ℤ × {1}) ∈ {(ℤ × {1})}) → ∃𝑦 ∈ ℤ (ℤ × {1}) ∈ {(ℤ × {𝑦})}) |
| 24 | 14, 18, 23 | mp2an 693 | . . . . 5 ⊢ ∃𝑦 ∈ ℤ (ℤ × {1}) ∈ {(ℤ × {𝑦})} |
| 25 | eliun 4927 | . . . . 5 ⊢ ((ℤ × {1}) ∈ ∪ 𝑦 ∈ ℤ {(ℤ × {𝑦})} ↔ ∃𝑦 ∈ ℤ (ℤ × {1}) ∈ {(ℤ × {𝑦})}) | |
| 26 | 24, 25 | mpbir 231 | . . . 4 ⊢ (ℤ × {1}) ∈ ∪ 𝑦 ∈ ℤ {(ℤ × {𝑦})} |
| 27 | pzriprng.1 | . . . . 5 ⊢ 1 = (1r‘𝐽) | |
| 28 | 1, 3, 4, 27, 8, 7 | pzriprnglem11 21460 | . . . 4 ⊢ (Base‘𝑄) = ∪ 𝑦 ∈ ℤ {(ℤ × {𝑦})} |
| 29 | 26, 28 | eleqtrri 2834 | . . 3 ⊢ (ℤ × {1}) ∈ (Base‘𝑄) |
| 30 | oveq1 7363 | . . . . . 6 ⊢ (𝑖 = (ℤ × {1}) → (𝑖(.r‘𝑄)𝑥) = ((ℤ × {1})(.r‘𝑄)𝑥)) | |
| 31 | 30 | eqeq1d 2737 | . . . . 5 ⊢ (𝑖 = (ℤ × {1}) → ((𝑖(.r‘𝑄)𝑥) = 𝑥 ↔ ((ℤ × {1})(.r‘𝑄)𝑥) = 𝑥)) |
| 32 | 31 | ovanraleqv 7380 | . . . 4 ⊢ (𝑖 = (ℤ × {1}) → (∀𝑥 ∈ (Base‘𝑄)((𝑖(.r‘𝑄)𝑥) = 𝑥 ∧ (𝑥(.r‘𝑄)𝑖) = 𝑥) ↔ ∀𝑥 ∈ (Base‘𝑄)(((ℤ × {1})(.r‘𝑄)𝑥) = 𝑥 ∧ (𝑥(.r‘𝑄)(ℤ × {1})) = 𝑥))) |
| 33 | id 22 | . . . 4 ⊢ ((ℤ × {1}) ∈ (Base‘𝑄) → (ℤ × {1}) ∈ (Base‘𝑄)) | |
| 34 | 1, 3, 4, 27, 8, 7 | pzriprnglem12 21461 | . . . . . 6 ⊢ (𝑥 ∈ (Base‘𝑄) → (((ℤ × {1})(.r‘𝑄)𝑥) = 𝑥 ∧ (𝑥(.r‘𝑄)(ℤ × {1})) = 𝑥)) |
| 35 | 34 | a1i 11 | . . . . 5 ⊢ ((ℤ × {1}) ∈ (Base‘𝑄) → (𝑥 ∈ (Base‘𝑄) → (((ℤ × {1})(.r‘𝑄)𝑥) = 𝑥 ∧ (𝑥(.r‘𝑄)(ℤ × {1})) = 𝑥))) |
| 36 | 35 | ralrimiv 3126 | . . . 4 ⊢ ((ℤ × {1}) ∈ (Base‘𝑄) → ∀𝑥 ∈ (Base‘𝑄)(((ℤ × {1})(.r‘𝑄)𝑥) = 𝑥 ∧ (𝑥(.r‘𝑄)(ℤ × {1})) = 𝑥)) |
| 37 | 32, 33, 36 | rspcedvdw 3565 | . . 3 ⊢ ((ℤ × {1}) ∈ (Base‘𝑄) → ∃𝑖 ∈ (Base‘𝑄)∀𝑥 ∈ (Base‘𝑄)((𝑖(.r‘𝑄)𝑥) = 𝑥 ∧ (𝑥(.r‘𝑄)𝑖) = 𝑥)) |
| 38 | 29, 37 | ax-mp 5 | . 2 ⊢ ∃𝑖 ∈ (Base‘𝑄)∀𝑥 ∈ (Base‘𝑄)((𝑖(.r‘𝑄)𝑥) = 𝑥 ∧ (𝑥(.r‘𝑄)𝑖) = 𝑥) |
| 39 | eqid 2735 | . . 3 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 40 | eqid 2735 | . . 3 ⊢ (.r‘𝑄) = (.r‘𝑄) | |
| 41 | 39, 40 | isringrng 20257 | . 2 ⊢ (𝑄 ∈ Ring ↔ (𝑄 ∈ Rng ∧ ∃𝑖 ∈ (Base‘𝑄)∀𝑥 ∈ (Base‘𝑄)((𝑖(.r‘𝑄)𝑥) = 𝑥 ∧ (𝑥(.r‘𝑄)𝑖) = 𝑥))) |
| 42 | 13, 38, 41 | mpbir2an 712 | 1 ⊢ 𝑄 ∈ Ring |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3049 ∃wrex 3059 {csn 4557 ∪ ciun 4923 × cxp 5618 ‘cfv 6487 (class class class)co 7356 0cc0 11027 1c1 11028 ℤcz 12513 Basecbs 17168 ↾s cress 17189 .rcmulr 17210 /s cqus 17458 ×s cxps 17459 SubGrpcsubg 19085 ~QG cqg 19087 Rngcrng 20122 1rcur 20151 Ringcrg 20203 2Idealc2idl 21236 ℤringczring 21415 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2184 ax-ext 2707 ax-rep 5201 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7678 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 ax-addf 11106 ax-mulf 11107 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3060 df-rmo 3340 df-reu 3341 df-rab 3388 df-v 3429 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-pss 3905 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4841 df-iun 4925 df-br 5075 df-opab 5137 df-mpt 5156 df-tr 5182 df-id 5515 df-eprel 5520 df-po 5528 df-so 5529 df-fr 5573 df-we 5575 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6254 df-ord 6315 df-on 6316 df-lim 6317 df-suc 6318 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-1st 7931 df-2nd 7932 df-tpos 8165 df-frecs 8220 df-wrecs 8251 df-recs 8300 df-rdg 8338 df-1o 8394 df-2o 8395 df-er 8632 df-ec 8634 df-qs 8638 df-map 8764 df-ixp 8835 df-en 8883 df-dom 8884 df-sdom 8885 df-fin 8886 df-sup 9344 df-inf 9345 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-nn 12164 df-2 12233 df-3 12234 df-4 12235 df-5 12236 df-6 12237 df-7 12238 df-8 12239 df-9 12240 df-n0 12427 df-z 12514 df-dec 12634 df-uz 12778 df-fz 13451 df-struct 17106 df-sets 17123 df-slot 17141 df-ndx 17153 df-base 17169 df-ress 17190 df-plusg 17222 df-mulr 17223 df-starv 17224 df-sca 17225 df-vsca 17226 df-ip 17227 df-tset 17228 df-ple 17229 df-ds 17231 df-unif 17232 df-hom 17233 df-cco 17234 df-0g 17393 df-prds 17399 df-imas 17461 df-qus 17462 df-xps 17463 df-mgm 18597 df-sgrp 18676 df-mnd 18692 df-grp 18901 df-minusg 18902 df-sbg 18903 df-subg 19088 df-nsg 19089 df-eqg 19090 df-cmn 19746 df-abl 19747 df-mgp 20111 df-rng 20123 df-ur 20152 df-ring 20205 df-cring 20206 df-oppr 20306 df-subrng 20512 df-subrg 20536 df-lss 20916 df-sra 21157 df-rgmod 21158 df-lidl 21195 df-2idl 21237 df-cnfld 21342 df-zring 21416 |
| This theorem is referenced by: pzriprnglem14 21463 pzriprngALT 21464 pzriprng1ALT 21465 |
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