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| Mirrors > Home > ILE Home > Th. List > opprringb | GIF version | ||
| Description: Bidirectional form of opprring 14367. (Contributed by Mario Carneiro, 6-Dec-2014.) |
| Ref | Expression |
|---|---|
| opprbas.1 | ⊢ 𝑂 = (oppr‘𝑅) |
| Ref | Expression |
|---|---|
| opprringb | ⊢ (𝑅 ∈ Ring ↔ 𝑂 ∈ Ring) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 2833 | . 2 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ V) | |
| 2 | eqid 2238 | . . . . 5 ⊢ (Base‘𝑂) = (Base‘𝑂) | |
| 3 | eqid 2238 | . . . . 5 ⊢ (1r‘𝑂) = (1r‘𝑂) | |
| 4 | 2, 3 | ringidcl 14308 | . . . 4 ⊢ (𝑂 ∈ Ring → (1r‘𝑂) ∈ (Base‘𝑂)) |
| 5 | 2 | basm 13397 | . . . 4 ⊢ ((1r‘𝑂) ∈ (Base‘𝑂) → ∃𝑗 𝑗 ∈ 𝑂) |
| 6 | 4, 5 | syl 14 | . . 3 ⊢ (𝑂 ∈ Ring → ∃𝑗 𝑗 ∈ 𝑂) |
| 7 | mptrel 4906 | . . . . . 6 ⊢ Rel (𝑓 ∈ V ↦ (𝑓 sSet 〈(.r‘ndx), tpos (.r‘𝑓)〉)) | |
| 8 | df-oppr 14356 | . . . . . . 7 ⊢ oppr = (𝑓 ∈ V ↦ (𝑓 sSet 〈(.r‘ndx), tpos (.r‘𝑓)〉)) | |
| 9 | 8 | releqi 4856 | . . . . . 6 ⊢ (Rel oppr ↔ Rel (𝑓 ∈ V ↦ (𝑓 sSet 〈(.r‘ndx), tpos (.r‘𝑓)〉))) |
| 10 | 7, 9 | mpbir 146 | . . . . 5 ⊢ Rel oppr |
| 11 | opprbas.1 | . . . . . . . 8 ⊢ 𝑂 = (oppr‘𝑅) | |
| 12 | 11 | eleq2i 2305 | . . . . . . 7 ⊢ (𝑗 ∈ 𝑂 ↔ 𝑗 ∈ (oppr‘𝑅)) |
| 13 | 12 | biimpi 120 | . . . . . 6 ⊢ (𝑗 ∈ 𝑂 → 𝑗 ∈ (oppr‘𝑅)) |
| 14 | 13 | adantl 277 | . . . . 5 ⊢ ((𝑂 ∈ Ring ∧ 𝑗 ∈ 𝑂) → 𝑗 ∈ (oppr‘𝑅)) |
| 15 | relelfvdm 5725 | . . . . 5 ⊢ ((Rel oppr ∧ 𝑗 ∈ (oppr‘𝑅)) → 𝑅 ∈ dom oppr) | |
| 16 | 10, 14, 15 | sylancr 418 | . . . 4 ⊢ ((𝑂 ∈ Ring ∧ 𝑗 ∈ 𝑂) → 𝑅 ∈ dom oppr) |
| 17 | 16 | elexd 2835 | . . 3 ⊢ ((𝑂 ∈ Ring ∧ 𝑗 ∈ 𝑂) → 𝑅 ∈ V) |
| 18 | 6, 17 | exlimddv 1954 | . 2 ⊢ (𝑂 ∈ Ring → 𝑅 ∈ V) |
| 19 | 11 | opprringbg 14368 | . 2 ⊢ (𝑅 ∈ V → (𝑅 ∈ Ring ↔ 𝑂 ∈ Ring)) |
| 20 | 1, 18, 19 | pm5.21nii 716 | 1 ⊢ (𝑅 ∈ Ring ↔ 𝑂 ∈ Ring) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 ↔ wb 105 = wceq 1402 ∃wex 1545 ∈ wcel 2209 Vcvv 2821 〈cop 3711 ↦ cmpt 4190 dom cdm 4772 Rel wrel 4777 ‘cfv 5375 (class class class)co 6079 tpos ctpos 6509 ndxcnx 13332 sSet csts 13333 Basecbs 13335 .rcmulr 13415 1rcur 14245 Ringcrg 14283 opprcoppr 14355 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-nul 4257 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-addass 8275 ax-i2m1 8278 ax-0lt1 8279 ax-0id 8281 ax-rnegex 8282 ax-pre-ltirr 8285 ax-pre-lttrn 8287 ax-pre-ltadd 8289 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-tpos 6510 df-pnf 8356 df-mnf 8357 df-ltxr 8359 df-inn 9288 df-2 9346 df-3 9347 df-ndx 13338 df-slot 13339 df-base 13341 df-sets 13342 df-plusg 13427 df-mulr 13428 df-0g 13595 df-mgm 13659 df-sgrp 13700 df-mnd 13713 df-grp 13791 df-mgp 14201 df-ur 14246 df-ring 14285 df-oppr 14356 |
| This theorem is referenced by: opprlring 14487 opprdrng 14603 |
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