| 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 2736 | . 2 ⊢ (Base‘(oppr‘𝑄)) = (Base‘(oppr‘𝑄)) | |
| 2 | fvexd 6855 | . 2 ⊢ (𝜑 → (oppr‘𝑄) ∈ V) | |
| 3 | ovexd 7402 | . 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 21252 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ (LIdeal‘𝑅)) |
| 10 | eqid 2736 | . . . . 5 ⊢ (LIdeal‘𝑅) = (LIdeal‘𝑅) | |
| 11 | 4, 10 | lidlss 21210 | . . . 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 2736 | . . 3 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 17 | simpr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) → 𝑥 ∈ (Base‘(oppr‘𝑄))) | |
| 18 | eqid 2736 | . . . . . 6 ⊢ (oppr‘𝑄) = (oppr‘𝑄) | |
| 19 | 18, 16 | opprbas 20323 | . . . . 5 ⊢ (Base‘𝑄) = (Base‘(oppr‘𝑄)) |
| 20 | 17, 19 | eleqtrrdi 2847 | . . . 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 2847 | . . . 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 3429 ⊆ wss 3889 ‘cfv 6498 (class class class)co 7367 Basecbs 17179 /s cqus 17469 ~QG cqg 19098 1rcur 20162 Ringcrg 20214 opprcoppr 20316 LIdealclidl 21204 2Idealc2idl 21247 |
| 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 2185 ax-ext 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-1st 7942 df-2nd 7943 df-tpos 8176 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-er 8643 df-ec 8645 df-qs 8649 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-sup 9355 df-inf 9356 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 df-7 12249 df-8 12250 df-9 12251 df-n0 12438 df-z 12525 df-dec 12645 df-uz 12789 df-fz 13462 df-struct 17117 df-sets 17134 df-slot 17152 df-ndx 17164 df-base 17180 df-ress 17201 df-plusg 17233 df-mulr 17234 df-sca 17236 df-vsca 17237 df-ip 17238 df-tset 17239 df-ple 17240 df-ds 17242 df-0g 17404 df-imas 17472 df-qus 17473 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-grp 18912 df-minusg 18913 df-sbg 18914 df-subg 19099 df-eqg 19101 df-cmn 19757 df-abl 19758 df-mgp 20122 df-rng 20134 df-ur 20163 df-ring 20216 df-oppr 20317 df-subrg 20547 df-lmod 20857 df-lss 20927 df-sra 21168 df-rgmod 21169 df-lidl 21206 df-2idl 21248 |
| This theorem is referenced by: opprqusdrng 33553 qsdrngi 33555 |
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