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| Mirrors > Home > MPE Home > Th. List > opprsubrng | Structured version Visualization version GIF version | ||
| Description: Being a subring is a symmetric property. (Contributed by AV, 15-Feb-2025.) |
| Ref | Expression |
|---|---|
| opprsubrng.o | ⊢ 𝑂 = (oppr‘𝑅) |
| Ref | Expression |
|---|---|
| opprsubrng | ⊢ (SubRng‘𝑅) = (SubRng‘𝑂) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | subrngrcl 20803 | . . 3 ⊢ (𝑥 ∈ (SubRng‘𝑅) → 𝑅 ∈ Rng) | |
| 2 | subrngrcl 20803 | . . . 4 ⊢ (𝑥 ∈ (SubRng‘𝑂) → 𝑂 ∈ Rng) | |
| 3 | opprsubrng.o | . . . . 5 ⊢ 𝑂 = (oppr‘𝑅) | |
| 4 | 3 | opprrngb 20576 | . . . 4 ⊢ (𝑅 ∈ Rng ↔ 𝑂 ∈ Rng) |
| 5 | 2, 4 | sylibr 237 | . . 3 ⊢ (𝑥 ∈ (SubRng‘𝑂) → 𝑅 ∈ Rng) |
| 6 | 3 | opprsubg 20582 | . . . . . . 7 ⊢ (SubGrp‘𝑅) = (SubGrp‘𝑂) |
| 7 | 6 | a1i 11 | . . . . . 6 ⊢ (𝑅 ∈ Rng → (SubGrp‘𝑅) = (SubGrp‘𝑂)) |
| 8 | 7 | eleq2d 2846 | . . . . 5 ⊢ (𝑅 ∈ Rng → (𝑥 ∈ (SubGrp‘𝑅) ↔ 𝑥 ∈ (SubGrp‘𝑂))) |
| 9 | ralcom 3290 | . . . . . . 7 ⊢ (∀𝑧 ∈ 𝑥 ∀𝑦 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥 ↔ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥) | |
| 10 | eqid 2760 | . . . . . . . . . 10 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 11 | eqid 2760 | . . . . . . . . . 10 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 12 | eqid 2760 | . . . . . . . . . 10 ⊢ (.r‘𝑂) = (.r‘𝑂) | |
| 13 | 10, 11, 3, 12 | opprmul 20570 | . . . . . . . . 9 ⊢ (𝑦(.r‘𝑂)𝑧) = (𝑧(.r‘𝑅)𝑦) |
| 14 | 13 | eleq1i 2851 | . . . . . . . 8 ⊢ ((𝑦(.r‘𝑂)𝑧) ∈ 𝑥 ↔ (𝑧(.r‘𝑅)𝑦) ∈ 𝑥) |
| 15 | 14 | 2ralbii 3137 | . . . . . . 7 ⊢ (∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑦(.r‘𝑂)𝑧) ∈ 𝑥 ↔ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥) |
| 16 | 9, 15 | bitr4i 281 | . . . . . 6 ⊢ (∀𝑧 ∈ 𝑥 ∀𝑦 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥 ↔ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑦(.r‘𝑂)𝑧) ∈ 𝑥) |
| 17 | 16 | a1i 11 | . . . . 5 ⊢ (𝑅 ∈ Rng → (∀𝑧 ∈ 𝑥 ∀𝑦 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥 ↔ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑦(.r‘𝑂)𝑧) ∈ 𝑥)) |
| 18 | 8, 17 | anbi12d 644 | . . . 4 ⊢ (𝑅 ∈ Rng → ((𝑥 ∈ (SubGrp‘𝑅) ∧ ∀𝑧 ∈ 𝑥 ∀𝑦 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥) ↔ (𝑥 ∈ (SubGrp‘𝑂) ∧ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑦(.r‘𝑂)𝑧) ∈ 𝑥))) |
| 19 | 10, 11 | issubrng2 20810 | . . . 4 ⊢ (𝑅 ∈ Rng → (𝑥 ∈ (SubRng‘𝑅) ↔ (𝑥 ∈ (SubGrp‘𝑅) ∧ ∀𝑧 ∈ 𝑥 ∀𝑦 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥))) |
| 20 | 3, 10 | opprbas 20573 | . . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑂) |
| 21 | 20, 12 | issubrng2 20810 | . . . . 5 ⊢ (𝑂 ∈ Rng → (𝑥 ∈ (SubRng‘𝑂) ↔ (𝑥 ∈ (SubGrp‘𝑂) ∧ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑦(.r‘𝑂)𝑧) ∈ 𝑥))) |
| 22 | 4, 21 | sylbi 220 | . . . 4 ⊢ (𝑅 ∈ Rng → (𝑥 ∈ (SubRng‘𝑂) ↔ (𝑥 ∈ (SubGrp‘𝑂) ∧ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑦(.r‘𝑂)𝑧) ∈ 𝑥))) |
| 23 | 18, 19, 22 | 3bitr4d 314 | . . 3 ⊢ (𝑅 ∈ Rng → (𝑥 ∈ (SubRng‘𝑅) ↔ 𝑥 ∈ (SubRng‘𝑂))) |
| 24 | 1, 5, 23 | pm5.21nii 381 | . 2 ⊢ (𝑥 ∈ (SubRng‘𝑅) ↔ 𝑥 ∈ (SubRng‘𝑂)) |
| 25 | 24 | eqriv 2757 | 1 ⊢ (SubRng‘𝑅) = (SubRng‘𝑂) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ∀wral 3076 ‘cfv 6538 (class class class)co 7420 Basecbs 17387 .rcmulr 17429 SubGrpcsubg 19330 Rngcrng 20374 opprcoppr 20566 SubRngcsubrng 20797 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11256 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-2nd 8002 df-tpos 8243 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-nn 12336 df-2 12405 df-3 12406 df-sets 17342 df-slot 17360 df-ndx 17372 df-base 17388 df-ress 17409 df-plusg 17441 df-mulr 17442 df-0g 17612 df-mgm 18816 df-sgrp 18908 df-mnd 18924 df-grp 19147 df-subg 19333 df-cmn 19996 df-abl 19997 df-mgp 20361 df-rng 20375 df-oppr 20567 df-subrng 20798 |
| This theorem is used by: (None) |
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