| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > pzriprnglem13 | Structured version Visualization version GIF version | ||
| Description: Lemma 13 for pzriprng 21556: 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 21540 | . . 3 ⊢ 𝑅 ∈ Rng |
| 3 | pzriprng.i | . . . 4 ⊢ 𝐼 = (ℤ × {0}) | |
| 4 | pzriprng.j | . . . 4 ⊢ 𝐽 = (𝑅 ↾s 𝐼) | |
| 5 | 1, 3, 4 | pzriprnglem8 21547 | . . 3 ⊢ 𝐼 ∈ (2Ideal‘𝑅) |
| 6 | 1, 3 | pzriprnglem4 21543 | . . 3 ⊢ 𝐼 ∈ (SubGrp‘𝑅) |
| 7 | pzriprng.q | . . . . 5 ⊢ 𝑄 = (𝑅 /s ∼ ) | |
| 8 | pzriprng.g | . . . . . 6 ⊢ ∼ = (𝑅 ~QG 𝐼) | |
| 9 | 8 | oveq2i 7407 | . . . . 5 ⊢ (𝑅 /s ∼ ) = (𝑅 /s (𝑅 ~QG 𝐼)) |
| 10 | 7, 9 | eqtri 2786 | . . . 4 ⊢ 𝑄 = (𝑅 /s (𝑅 ~QG 𝐼)) |
| 11 | eqid 2763 | . . . 4 ⊢ (2Ideal‘𝑅) = (2Ideal‘𝑅) | |
| 12 | 10, 11 | qus2idrng 21350 | . . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝐼 ∈ (2Ideal‘𝑅) ∧ 𝐼 ∈ (SubGrp‘𝑅)) → 𝑄 ∈ Rng) |
| 13 | 2, 5, 6, 12 | mp3an 1483 | . 2 ⊢ 𝑄 ∈ Rng |
| 14 | 1z 12611 | . . . . . 6 ⊢ 1 ∈ ℤ | |
| 15 | zex 12587 | . . . . . . . 8 ⊢ ℤ ∈ V | |
| 16 | snex 5397 | . . . . . . . 8 ⊢ {1} ∈ V | |
| 17 | 15, 16 | xpex 7736 | . . . . . . 7 ⊢ (ℤ × {1}) ∈ V |
| 18 | 17 | snid 4622 | . . . . . 6 ⊢ (ℤ × {1}) ∈ {(ℤ × {1})} |
| 19 | sneq 4593 | . . . . . . . . . 10 ⊢ (𝑦 = 1 → {𝑦} = {1}) | |
| 20 | 19 | xpeq2d 5678 | . . . . . . . . 9 ⊢ (𝑦 = 1 → (ℤ × {𝑦}) = (ℤ × {1})) |
| 21 | 20 | sneqd 4595 | . . . . . . . 8 ⊢ (𝑦 = 1 → {(ℤ × {𝑦})} = {(ℤ × {1})}) |
| 22 | 21 | eleq2d 2849 | . . . . . . 7 ⊢ (𝑦 = 1 → ((ℤ × {1}) ∈ {(ℤ × {𝑦})} ↔ (ℤ × {1}) ∈ {(ℤ × {1})})) |
| 23 | 22 | rspcev 3582 | . . . . . 6 ⊢ ((1 ∈ ℤ ∧ (ℤ × {1}) ∈ {(ℤ × {1})}) → ∃𝑦 ∈ ℤ (ℤ × {1}) ∈ {(ℤ × {𝑦})}) |
| 24 | 14, 18, 23 | mp2an 702 | . . . . 5 ⊢ ∃𝑦 ∈ ℤ (ℤ × {1}) ∈ {(ℤ × {𝑦})} |
| 25 | eliun 4954 | . . . . 5 ⊢ ((ℤ × {1}) ∈ ∪ 𝑦 ∈ ℤ {(ℤ × {𝑦})} ↔ ∃𝑦 ∈ ℤ (ℤ × {1}) ∈ {(ℤ × {𝑦})}) | |
| 26 | 24, 25 | mpbir 233 | . . . 4 ⊢ (ℤ × {1}) ∈ ∪ 𝑦 ∈ ℤ {(ℤ × {𝑦})} |
| 27 | pzriprng.1 | . . . . 5 ⊢ 1 = (1r‘𝐽) | |
| 28 | 1, 3, 4, 27, 8, 7 | pzriprnglem11 21550 | . . . 4 ⊢ (Base‘𝑄) = ∪ 𝑦 ∈ ℤ {(ℤ × {𝑦})} |
| 29 | 26, 28 | eleqtrri 2862 | . . 3 ⊢ (ℤ × {1}) ∈ (Base‘𝑄) |
| 30 | oveq1 7403 | . . . . . 6 ⊢ (𝑖 = (ℤ × {1}) → (𝑖(.r‘𝑄)𝑥) = ((ℤ × {1})(.r‘𝑄)𝑥)) | |
| 31 | 30 | eqeq1d 2765 | . . . . 5 ⊢ (𝑖 = (ℤ × {1}) → ((𝑖(.r‘𝑄)𝑥) = 𝑥 ↔ ((ℤ × {1})(.r‘𝑄)𝑥) = 𝑥)) |
| 32 | 31 | ovanraleqv 7420 | . . . 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 21551 | . . . . . 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 3154 | . . . 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 3585 | . . 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 2763 | . . 3 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 40 | eqid 2763 | . . 3 ⊢ (.r‘𝑄) = (.r‘𝑄) | |
| 41 | 39, 40 | isringrng 20347 | . 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 721 | 1 ⊢ 𝑄 ∈ Ring |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1561 ∈ wcel 2143 ∀wral 3077 ∃wrex 3087 {csn 4583 ∪ ciun 4950 × cxp 5646 ‘cfv 6521 (class class class)co 7396 0cc0 11084 1c1 11085 ℤcz 12578 Basecbs 17255 ↾s cress 17276 .rcmulr 17297 /s cqus 17545 ×s cxps 17546 SubGrpcsubg 19172 ~QG cqg 19174 Rngcrng 20208 1rcur 20241 Ringcrg 20293 2Idealc2idl 21326 ℤringczring 21505 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5228 ax-sep 5247 ax-nul 5257 ax-pow 5323 ax-pr 5391 ax-un 7718 ax-cnex 11140 ax-resscn 11141 ax-1cn 11142 ax-icn 11143 ax-addcl 11144 ax-addrcl 11145 ax-mulcl 11146 ax-mulrcl 11147 ax-mulcom 11148 ax-addass 11149 ax-mulass 11150 ax-distr 11151 ax-i2m1 11152 ax-1ne0 11153 ax-1rid 11154 ax-rnegex 11155 ax-rrecex 11156 ax-cnre 11157 ax-pre-lttri 11158 ax-pre-lttrn 11159 ax-pre-ltadd 11160 ax-pre-mulgt0 11161 ax-addf 11163 ax-mulf 11164 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-tp 4588 df-op 4590 df-uni 4867 df-iun 4952 df-br 5102 df-opab 5164 df-mpt 5183 df-tr 5209 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-riota 7353 df-ov 7399 df-oprab 7400 df-mpo 7401 df-om 7847 df-1st 7970 df-2nd 7971 df-tpos 8206 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-1o 8437 df-2o 8438 df-er 8678 df-ec 8680 df-qs 8684 df-map 8810 df-ixp 8880 df-en 8928 df-dom 8929 df-sdom 8930 df-fin 8931 df-sup 9386 df-inf 9387 df-pnf 11229 df-mnf 11230 df-xr 11231 df-ltxr 11232 df-le 11233 df-sub 11427 df-neg 11428 df-nn 12221 df-2 12290 df-3 12291 df-4 12292 df-5 12293 df-6 12294 df-7 12295 df-8 12296 df-9 12297 df-n0 12492 df-z 12579 df-dec 12699 df-uz 12850 df-fz 13523 df-struct 17193 df-sets 17210 df-slot 17228 df-ndx 17240 df-base 17256 df-ress 17277 df-plusg 17309 df-mulr 17310 df-starv 17311 df-sca 17312 df-vsca 17313 df-ip 17314 df-tset 17315 df-ple 17316 df-ds 17318 df-unif 17319 df-hom 17320 df-cco 17321 df-0g 17480 df-prds 17486 df-imas 17548 df-qus 17549 df-xps 17550 df-mgm 18684 df-sgrp 18763 df-mnd 18779 df-grp 18988 df-minusg 18989 df-sbg 18990 df-subg 19175 df-nsg 19176 df-eqg 19177 df-cmn 19832 df-abl 19833 df-mgp 20197 df-rng 20209 df-ur 20242 df-ring 20295 df-cring 20296 df-oppr 20396 df-subrng 20606 df-subrg 20630 df-lss 21006 df-sra 21247 df-rgmod 21248 df-lidl 21285 df-2idl 21327 df-cnfld 21432 df-zring 21506 |
| This theorem is referenced by: pzriprnglem14 21553 pzriprngALT 21554 pzriprng1ALT 21555 |
| Copyright terms: Public domain | W3C validator |