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| Mirrors > Home > MPE Home > Th. List > pzriprnglem13 | Structured version Visualization version GIF version | ||
| Description: Lemma 13 for pzriprng 21454: 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 21438 | . . 3 ⊢ 𝑅 ∈ Rng |
| 3 | pzriprng.i | . . . 4 ⊢ 𝐼 = (ℤ × {0}) | |
| 4 | pzriprng.j | . . . 4 ⊢ 𝐽 = (𝑅 ↾s 𝐼) | |
| 5 | 1, 3, 4 | pzriprnglem8 21445 | . . 3 ⊢ 𝐼 ∈ (2Ideal‘𝑅) |
| 6 | 1, 3 | pzriprnglem4 21441 | . . 3 ⊢ 𝐼 ∈ (SubGrp‘𝑅) |
| 7 | pzriprng.q | . . . . 5 ⊢ 𝑄 = (𝑅 /s ∼ ) | |
| 8 | pzriprng.g | . . . . . 6 ⊢ ∼ = (𝑅 ~QG 𝐼) | |
| 9 | 8 | oveq2i 7369 | . . . . 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 21230 | . . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝐼 ∈ (2Ideal‘𝑅) ∧ 𝐼 ∈ (SubGrp‘𝑅)) → 𝑄 ∈ Rng) |
| 13 | 2, 5, 6, 12 | mp3an 1464 | . 2 ⊢ 𝑄 ∈ Rng |
| 14 | 1z 12523 | . . . . . 6 ⊢ 1 ∈ ℤ | |
| 15 | zex 12499 | . . . . . . . 8 ⊢ ℤ ∈ V | |
| 16 | snex 5380 | . . . . . . . 8 ⊢ {1} ∈ V | |
| 17 | 15, 16 | xpex 7698 | . . . . . . 7 ⊢ (ℤ × {1}) ∈ V |
| 18 | 17 | snid 4618 | . . . . . 6 ⊢ (ℤ × {1}) ∈ {(ℤ × {1})} |
| 19 | sneq 4589 | . . . . . . . . . 10 ⊢ (𝑦 = 1 → {𝑦} = {1}) | |
| 20 | 19 | xpeq2d 5653 | . . . . . . . . 9 ⊢ (𝑦 = 1 → (ℤ × {𝑦}) = (ℤ × {1})) |
| 21 | 20 | sneqd 4591 | . . . . . . . 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 3575 | . . . . . 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 4949 | . . . . 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 21448 | . . . 4 ⊢ (Base‘𝑄) = ∪ 𝑦 ∈ ℤ {(ℤ × {𝑦})} |
| 29 | 26, 28 | eleqtrri 2834 | . . 3 ⊢ (ℤ × {1}) ∈ (Base‘𝑄) |
| 30 | oveq1 7365 | . . . . . 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 7382 | . . . 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 21449 | . . . . . 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 3578 | . . 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 20224 | . 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 3050 ∃wrex 3059 {csn 4579 ∪ ciun 4945 × cxp 5621 ‘cfv 6491 (class class class)co 7358 0cc0 11028 1c1 11029 ℤcz 12490 Basecbs 17138 ↾s cress 17159 .rcmulr 17180 /s cqus 17428 ×s cxps 17429 SubGrpcsubg 19052 ~QG cqg 19054 Rngcrng 20089 1rcur 20118 Ringcrg 20170 2Idealc2idl 21206 ℤringczring 21403 |
| 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 2183 ax-ext 2707 ax-rep 5223 ax-sep 5240 ax-nul 5250 ax-pow 5309 ax-pr 5376 ax-un 7680 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105 ax-addf 11107 ax-mulf 11108 |
| 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 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3349 df-reu 3350 df-rab 3399 df-v 3441 df-sbc 3740 df-csb 3849 df-dif 3903 df-un 3905 df-in 3907 df-ss 3917 df-pss 3920 df-nul 4285 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-tp 4584 df-op 4586 df-uni 4863 df-iun 4947 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5518 df-eprel 5523 df-po 5531 df-so 5532 df-fr 5576 df-we 5578 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-pred 6258 df-ord 6319 df-on 6320 df-lim 6321 df-suc 6322 df-iota 6447 df-fun 6493 df-fn 6494 df-f 6495 df-f1 6496 df-fo 6497 df-f1o 6498 df-fv 6499 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-tpos 8168 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-2o 8398 df-er 8635 df-ec 8637 df-qs 8641 df-map 8767 df-ixp 8838 df-en 8886 df-dom 8887 df-sdom 8888 df-fin 8889 df-sup 9347 df-inf 9348 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-nn 12148 df-2 12210 df-3 12211 df-4 12212 df-5 12213 df-6 12214 df-7 12215 df-8 12216 df-9 12217 df-n0 12404 df-z 12491 df-dec 12610 df-uz 12754 df-fz 13426 df-struct 17076 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17139 df-ress 17160 df-plusg 17192 df-mulr 17193 df-starv 17194 df-sca 17195 df-vsca 17196 df-ip 17197 df-tset 17198 df-ple 17199 df-ds 17201 df-unif 17202 df-hom 17203 df-cco 17204 df-0g 17363 df-prds 17369 df-imas 17431 df-qus 17432 df-xps 17433 df-mgm 18567 df-sgrp 18646 df-mnd 18662 df-grp 18868 df-minusg 18869 df-sbg 18870 df-subg 19055 df-nsg 19056 df-eqg 19057 df-cmn 19713 df-abl 19714 df-mgp 20078 df-rng 20090 df-ur 20119 df-ring 20172 df-cring 20173 df-oppr 20275 df-subrng 20481 df-subrg 20505 df-lss 20885 df-sra 21127 df-rgmod 21128 df-lidl 21165 df-2idl 21207 df-cnfld 21312 df-zring 21404 |
| This theorem is referenced by: pzriprnglem14 21451 pzriprngALT 21452 pzriprng1ALT 21453 |
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