| 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 2762 | . 2 ⊢ (Base‘(oppr‘𝑄)) = (Base‘(oppr‘𝑄)) | |
| 2 | fvexd 6897 | . 2 ⊢ (𝜑 → (oppr‘𝑄) ∈ V) | |
| 3 | ovexd 7451 | . 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 21457 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ (LIdeal‘𝑅)) |
| 10 | eqid 2762 | . . . . 5 ⊢ (LIdeal‘𝑅) = (LIdeal‘𝑅) | |
| 11 | 4, 10 | lidlss 21400 | . . . 4 ⊢ (𝐼 ∈ (LIdeal‘𝑅) → 𝐼 ⊆ 𝐵) |
| 12 | 9, 11 | syl 18 | . . 3 ⊢ (𝜑 → 𝐼 ⊆ 𝐵) |
| 13 | 4, 5, 6, 7, 12 | opprqusbas 33877 | . 2 ⊢ (𝜑 → (Base‘(oppr‘𝑄)) = (Base‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| 14 | 7 | ad2antrr 739 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑅 ∈ Ring) |
| 15 | 8 | ad2antrr 739 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝐼 ∈ (2Ideal‘𝑅)) |
| 16 | eqid 2762 | . . 3 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 17 | simpr 490 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) → 𝑥 ∈ (Base‘(oppr‘𝑄))) | |
| 18 | eqid 2762 | . . . . . 6 ⊢ (oppr‘𝑄) = (oppr‘𝑄) | |
| 19 | 18, 16 | opprbas 20485 | . . . . 5 ⊢ (Base‘𝑄) = (Base‘(oppr‘𝑄)) |
| 20 | 17, 19 | eleqtrrdi 2873 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) → 𝑥 ∈ (Base‘𝑄)) |
| 21 | 20 | adantr 486 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑥 ∈ (Base‘𝑄)) |
| 22 | simpr 490 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑦 ∈ (Base‘(oppr‘𝑄))) | |
| 23 | 22, 19 | eleqtrrdi 2873 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑦 ∈ (Base‘𝑄)) |
| 24 | 23 | adantlr 728 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑦 ∈ (Base‘𝑄)) |
| 25 | 4, 5, 6, 14, 15, 16, 21, 24 | opprqusmulr 33880 | . 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 33657 | 1 ⊢ (𝜑 → (1r‘(oppr‘𝑄)) = (1r‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 Vcvv 3453 ⊆ wss 3902 ‘cfv 6537 (class class class)co 7416 Basecbs 17305 /s cqus 17595 ~QG cqg 19246 1rcur 20321 Ringcrg 20373 opprcoppr 20478 LIdealclidl 21394 2Idealc2idl 21452 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-tp 4592 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7866 df-1st 7989 df-2nd 7990 df-tpos 8227 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8458 df-er 8699 df-ec 8701 df-qs 8705 df-en 8956 df-dom 8957 df-sdom 8958 df-fin 8959 df-sup 9415 df-inf 9416 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-3 12331 df-4 12332 df-5 12333 df-6 12334 df-7 12335 df-8 12336 df-9 12337 df-n0 12532 df-z 12619 df-dec 12740 df-uz 12891 df-fz 13564 df-struct 17243 df-sets 17260 df-slot 17278 df-ndx 17290 df-base 17306 df-ress 17327 df-plusg 17359 df-mulr 17360 df-sca 17362 df-vsca 17363 df-ip 17364 df-tset 17365 df-ple 17366 df-ds 17368 df-0g 17530 df-imas 17598 df-qus 17599 df-mgm 18734 df-sgrp 18823 df-mnd 18839 df-grp 19061 df-minusg 19062 df-sbg 19063 df-subg 19247 df-eqg 19249 df-cmn 19910 df-abl 19911 df-mgp 20275 df-rng 20289 df-ur 20322 df-ring 20375 df-oppr 20479 df-subrg 20733 df-lmod 21047 df-lss 21117 df-sra 21358 df-rgmod 21359 df-lidl 21396 df-2idl 21453 |
| This theorem is used by: opprqusdrng 33882 qsdrngi 33884 |
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