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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 20501 | . . 3 ⊢ (𝑥 ∈ (SubRng‘𝑅) → 𝑅 ∈ Rng) | |
| 2 | subrngrcl 20501 | . . . 4 ⊢ (𝑥 ∈ (SubRng‘𝑂) → 𝑂 ∈ Rng) | |
| 3 | opprsubrng.o | . . . . 5 ⊢ 𝑂 = (oppr‘𝑅) | |
| 4 | 3 | opprrngb 20299 | . . . 4 ⊢ (𝑅 ∈ Rng ↔ 𝑂 ∈ Rng) |
| 5 | 2, 4 | sylibr 234 | . . 3 ⊢ (𝑥 ∈ (SubRng‘𝑂) → 𝑅 ∈ Rng) |
| 6 | 3 | opprsubg 20305 | . . . . . . 7 ⊢ (SubGrp‘𝑅) = (SubGrp‘𝑂) |
| 7 | 6 | a1i 11 | . . . . . 6 ⊢ (𝑅 ∈ Rng → (SubGrp‘𝑅) = (SubGrp‘𝑂)) |
| 8 | 7 | eleq2d 2823 | . . . . 5 ⊢ (𝑅 ∈ Rng → (𝑥 ∈ (SubGrp‘𝑅) ↔ 𝑥 ∈ (SubGrp‘𝑂))) |
| 9 | ralcom 3266 | . . . . . . 7 ⊢ (∀𝑧 ∈ 𝑥 ∀𝑦 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥 ↔ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥) | |
| 10 | eqid 2737 | . . . . . . . . . 10 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 11 | eqid 2737 | . . . . . . . . . 10 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 12 | eqid 2737 | . . . . . . . . . 10 ⊢ (.r‘𝑂) = (.r‘𝑂) | |
| 13 | 10, 11, 3, 12 | opprmul 20293 | . . . . . . . . 9 ⊢ (𝑦(.r‘𝑂)𝑧) = (𝑧(.r‘𝑅)𝑦) |
| 14 | 13 | eleq1i 2828 | . . . . . . . 8 ⊢ ((𝑦(.r‘𝑂)𝑧) ∈ 𝑥 ↔ (𝑧(.r‘𝑅)𝑦) ∈ 𝑥) |
| 15 | 14 | 2ralbii 3113 | . . . . . . 7 ⊢ (∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑦(.r‘𝑂)𝑧) ∈ 𝑥 ↔ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥) |
| 16 | 9, 15 | bitr4i 278 | . . . . . 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 633 | . . . 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 20508 | . . . 4 ⊢ (𝑅 ∈ Rng → (𝑥 ∈ (SubRng‘𝑅) ↔ (𝑥 ∈ (SubGrp‘𝑅) ∧ ∀𝑧 ∈ 𝑥 ∀𝑦 ∈ 𝑥 (𝑧(.r‘𝑅)𝑦) ∈ 𝑥))) |
| 20 | 3, 10 | opprbas 20296 | . . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑂) |
| 21 | 20, 12 | issubrng2 20508 | . . . . 5 ⊢ (𝑂 ∈ Rng → (𝑥 ∈ (SubRng‘𝑂) ↔ (𝑥 ∈ (SubGrp‘𝑂) ∧ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑦(.r‘𝑂)𝑧) ∈ 𝑥))) |
| 22 | 4, 21 | sylbi 217 | . . . 4 ⊢ (𝑅 ∈ Rng → (𝑥 ∈ (SubRng‘𝑂) ↔ (𝑥 ∈ (SubGrp‘𝑂) ∧ ∀𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 (𝑦(.r‘𝑂)𝑧) ∈ 𝑥))) |
| 23 | 18, 19, 22 | 3bitr4d 311 | . . 3 ⊢ (𝑅 ∈ Rng → (𝑥 ∈ (SubRng‘𝑅) ↔ 𝑥 ∈ (SubRng‘𝑂))) |
| 24 | 1, 5, 23 | pm5.21nii 378 | . 2 ⊢ (𝑥 ∈ (SubRng‘𝑅) ↔ 𝑥 ∈ (SubRng‘𝑂)) |
| 25 | 24 | eqriv 2734 | 1 ⊢ (SubRng‘𝑅) = (SubRng‘𝑂) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3052 ‘cfv 6502 (class class class)co 7370 Basecbs 17150 .rcmulr 17192 SubGrpcsubg 19067 Rngcrng 20104 opprcoppr 20289 SubRngcsubrng 20495 |
| 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 2709 ax-sep 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 ax-cnex 11096 ax-resscn 11097 ax-1cn 11098 ax-icn 11099 ax-addcl 11100 ax-addrcl 11101 ax-mulcl 11102 ax-mulrcl 11103 ax-mulcom 11104 ax-addass 11105 ax-mulass 11106 ax-distr 11107 ax-i2m1 11108 ax-1ne0 11109 ax-1rid 11110 ax-rnegex 11111 ax-rrecex 11112 ax-cnre 11113 ax-pre-lttri 11114 ax-pre-lttrn 11115 ax-pre-ltadd 11116 ax-pre-mulgt0 11117 |
| 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5529 df-eprel 5534 df-po 5542 df-so 5543 df-fr 5587 df-we 5589 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-pred 6269 df-ord 6330 df-on 6331 df-lim 6332 df-suc 6333 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-riota 7327 df-ov 7373 df-oprab 7374 df-mpo 7375 df-om 7821 df-2nd 7946 df-tpos 8180 df-frecs 8235 df-wrecs 8266 df-recs 8315 df-rdg 8353 df-er 8647 df-en 8898 df-dom 8899 df-sdom 8900 df-pnf 11182 df-mnf 11183 df-xr 11184 df-ltxr 11185 df-le 11186 df-sub 11380 df-neg 11381 df-nn 12160 df-2 12222 df-3 12223 df-sets 17105 df-slot 17123 df-ndx 17135 df-base 17151 df-ress 17172 df-plusg 17204 df-mulr 17205 df-0g 17375 df-mgm 18579 df-sgrp 18658 df-mnd 18674 df-grp 18883 df-subg 19070 df-cmn 19728 df-abl 19729 df-mgp 20093 df-rng 20105 df-oppr 20290 df-subrng 20496 |
| This theorem is referenced by: (None) |
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