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| Mirrors > Home > ILE Home > Th. List > opprringb | GIF version | ||
| Description: Bidirectional form of opprring 14325. (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 2827 | . 2 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ V) | |
| 2 | eqid 2234 | . . . . 5 ⊢ (Base‘𝑂) = (Base‘𝑂) | |
| 3 | eqid 2234 | . . . . 5 ⊢ (1r‘𝑂) = (1r‘𝑂) | |
| 4 | 2, 3 | ringidcl 14266 | . . . 4 ⊢ (𝑂 ∈ Ring → (1r‘𝑂) ∈ (Base‘𝑂)) |
| 5 | 2 | basm 13361 | . . . 4 ⊢ ((1r‘𝑂) ∈ (Base‘𝑂) → ∃𝑗 𝑗 ∈ 𝑂) |
| 6 | 4, 5 | syl 14 | . . 3 ⊢ (𝑂 ∈ Ring → ∃𝑗 𝑗 ∈ 𝑂) |
| 7 | mptrel 4888 | . . . . . 6 ⊢ Rel (𝑓 ∈ V ↦ (𝑓 sSet 〈(.r‘ndx), tpos (.r‘𝑓)〉)) | |
| 8 | df-oppr 14314 | . . . . . . 7 ⊢ oppr = (𝑓 ∈ V ↦ (𝑓 sSet 〈(.r‘ndx), tpos (.r‘𝑓)〉)) | |
| 9 | 8 | releqi 4838 | . . . . . 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 2301 | . . . . . . 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 5707 | . . . . 5 ⊢ ((Rel oppr ∧ 𝑗 ∈ (oppr‘𝑅)) → 𝑅 ∈ dom oppr) | |
| 16 | 10, 14, 15 | sylancr 414 | . . . 4 ⊢ ((𝑂 ∈ Ring ∧ 𝑗 ∈ 𝑂) → 𝑅 ∈ dom oppr) |
| 17 | 16 | elexd 2829 | . . 3 ⊢ ((𝑂 ∈ Ring ∧ 𝑗 ∈ 𝑂) → 𝑅 ∈ V) |
| 18 | 6, 17 | exlimddv 1950 | . 2 ⊢ (𝑂 ∈ Ring → 𝑅 ∈ V) |
| 19 | 11 | opprringbg 14326 | . 2 ⊢ (𝑅 ∈ V → (𝑅 ∈ Ring ↔ 𝑂 ∈ Ring)) |
| 20 | 1, 18, 19 | pm5.21nii 712 | 1 ⊢ (𝑅 ∈ Ring ↔ 𝑂 ∈ Ring) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 ↔ wb 105 = wceq 1398 ∃wex 1541 ∈ wcel 2205 Vcvv 2815 〈cop 3697 ↦ cmpt 4176 dom cdm 4754 Rel wrel 4759 ‘cfv 5357 (class class class)co 6058 tpos ctpos 6488 ndxcnx 13296 sSet csts 13297 Basecbs 13299 .rcmulr 13378 1rcur 14205 Ringcrg 14242 opprcoppr 14313 |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-nul 4241 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-cnex 8234 ax-resscn 8235 ax-1cn 8236 ax-1re 8237 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-addcom 8243 ax-addass 8245 ax-i2m1 8248 ax-0lt1 8249 ax-0id 8251 ax-rnegex 8252 ax-pre-ltirr 8255 ax-pre-lttrn 8257 ax-pre-ltadd 8259 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-fv 5365 df-riota 6011 df-ov 6061 df-oprab 6062 df-mpo 6063 df-tpos 6489 df-pnf 8326 df-mnf 8327 df-ltxr 8329 df-inn 9258 df-2 9316 df-3 9317 df-ndx 13302 df-slot 13303 df-base 13305 df-sets 13306 df-plusg 13390 df-mulr 13391 df-0g 13558 df-mgm 13622 df-sgrp 13668 df-mnd 13681 df-grp 13761 df-mgp 14163 df-ur 14206 df-ring 14244 df-oppr 14314 |
| This theorem is referenced by: opprlring 14445 opprdrng 14561 |
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