| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > opprqus1r | Structured version Visualization version GIF version | ||
| Description: The ring unity of the quotient of the opposite ring is the same as the ring unity of the opposite of the quotient ring. (Contributed by Thierry Arnoux, 9-Mar-2025.) |
| Ref | Expression |
|---|---|
| opprqus.b | ⊢ 𝐵 = (Base‘𝑅) |
| opprqus.o | ⊢ 𝑂 = (oppr‘𝑅) |
| opprqus.q | ⊢ 𝑄 = (𝑅 /s (𝑅 ~QG 𝐼)) |
| opprqus1r.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| opprqus1r.i | ⊢ (𝜑 → 𝐼 ∈ (2Ideal‘𝑅)) |
| Ref | Expression |
|---|---|
| opprqus1r | ⊢ (𝜑 → (1r‘(oppr‘𝑄)) = (1r‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2735 | . 2 ⊢ (Base‘(oppr‘𝑄)) = (Base‘(oppr‘𝑄)) | |
| 2 | fvexd 6848 | . 2 ⊢ (𝜑 → (oppr‘𝑄) ∈ V) | |
| 3 | ovexd 7393 | . 2 ⊢ (𝜑 → (𝑂 /s (𝑂 ~QG 𝐼)) ∈ V) | |
| 4 | opprqus.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 5 | opprqus.o | . . 3 ⊢ 𝑂 = (oppr‘𝑅) | |
| 6 | opprqus.q | . . 3 ⊢ 𝑄 = (𝑅 /s (𝑅 ~QG 𝐼)) | |
| 7 | opprqus1r.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 8 | opprqus1r.i | . . . . 5 ⊢ (𝜑 → 𝐼 ∈ (2Ideal‘𝑅)) | |
| 9 | 8 | 2idllidld 21211 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ (LIdeal‘𝑅)) |
| 10 | eqid 2735 | . . . . 5 ⊢ (LIdeal‘𝑅) = (LIdeal‘𝑅) | |
| 11 | 4, 10 | lidlss 21169 | . . . 4 ⊢ (𝐼 ∈ (LIdeal‘𝑅) → 𝐼 ⊆ 𝐵) |
| 12 | 9, 11 | syl 17 | . . 3 ⊢ (𝜑 → 𝐼 ⊆ 𝐵) |
| 13 | 4, 5, 6, 7, 12 | opprqusbas 33548 | . 2 ⊢ (𝜑 → (Base‘(oppr‘𝑄)) = (Base‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| 14 | 7 | ad2antrr 727 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑅 ∈ Ring) |
| 15 | 8 | ad2antrr 727 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝐼 ∈ (2Ideal‘𝑅)) |
| 16 | eqid 2735 | . . 3 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 17 | simpr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) → 𝑥 ∈ (Base‘(oppr‘𝑄))) | |
| 18 | eqid 2735 | . . . . . 6 ⊢ (oppr‘𝑄) = (oppr‘𝑄) | |
| 19 | 18, 16 | opprbas 20281 | . . . . 5 ⊢ (Base‘𝑄) = (Base‘(oppr‘𝑄)) |
| 20 | 17, 19 | eleqtrrdi 2846 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) → 𝑥 ∈ (Base‘𝑄)) |
| 21 | 20 | adantr 480 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑥 ∈ (Base‘𝑄)) |
| 22 | simpr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑦 ∈ (Base‘(oppr‘𝑄))) | |
| 23 | 22, 19 | eleqtrrdi 2846 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑦 ∈ (Base‘𝑄)) |
| 24 | 23 | adantlr 716 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑦 ∈ (Base‘𝑄)) |
| 25 | 4, 5, 6, 14, 15, 16, 21, 24 | opprqusmulr 33551 | . 2 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → (𝑥(.r‘(oppr‘𝑄))𝑦) = (𝑥(.r‘(𝑂 /s (𝑂 ~QG 𝐼)))𝑦)) |
| 26 | 1, 2, 3, 13, 25 | urpropd 33292 | 1 ⊢ (𝜑 → (1r‘(oppr‘𝑄)) = (1r‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 Vcvv 3439 ⊆ wss 3900 ‘cfv 6491 (class class class)co 7358 Basecbs 17138 /s cqus 17428 ~QG cqg 19054 1rcur 20118 Ringcrg 20170 opprcoppr 20274 LIdealclidl 21163 2Idealc2idl 21206 |
| 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 |
| 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-er 8635 df-ec 8637 df-qs 8641 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-sca 17195 df-vsca 17196 df-ip 17197 df-tset 17198 df-ple 17199 df-ds 17201 df-0g 17363 df-imas 17431 df-qus 17432 df-mgm 18567 df-sgrp 18646 df-mnd 18662 df-grp 18868 df-minusg 18869 df-sbg 18870 df-subg 19055 df-eqg 19057 df-cmn 19713 df-abl 19714 df-mgp 20078 df-rng 20090 df-ur 20119 df-ring 20172 df-oppr 20275 df-subrg 20505 df-lmod 20815 df-lss 20885 df-sra 21127 df-rgmod 21128 df-lidl 21165 df-2idl 21207 |
| This theorem is referenced by: opprqusdrng 33553 qsdrngi 33555 |
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