| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > opprringb | GIF version | ||
| Description: Bidirectional form of opprring 14244. (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 14185 | . . . 4 ⊢ (𝑂 ∈ Ring → (1r‘𝑂) ∈ (Base‘𝑂)) |
| 5 | 2 | basm 13295 | . . . 4 ⊢ ((1r‘𝑂) ∈ (Base‘𝑂) → ∃𝑗 𝑗 ∈ 𝑂) |
| 6 | 4, 5 | syl 14 | . . 3 ⊢ (𝑂 ∈ Ring → ∃𝑗 𝑗 ∈ 𝑂) |
| 7 | mptrel 4885 | . . . . . 6 ⊢ Rel (𝑓 ∈ V ↦ (𝑓 sSet 〈(.r‘ndx), tpos (.r‘𝑓)〉)) | |
| 8 | df-oppr 14233 | . . . . . . 7 ⊢ oppr = (𝑓 ∈ V ↦ (𝑓 sSet 〈(.r‘ndx), tpos (.r‘𝑓)〉)) | |
| 9 | 8 | releqi 4835 | . . . . . 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 5704 | . . . . 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 14245 | . 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 3694 ↦ cmpt 4173 dom cdm 4751 Rel wrel 4756 ‘cfv 5354 (class class class)co 6052 tpos ctpos 6477 ndxcnx 13230 sSet csts 13231 Basecbs 13233 .rcmulr 13312 1rcur 14124 Ringcrg 14161 opprcoppr 14232 |
| 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 4230 ax-nul 4238 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-setind 4661 ax-cnex 8223 ax-resscn 8224 ax-1cn 8225 ax-1re 8226 ax-icn 8227 ax-addcl 8228 ax-addrcl 8229 ax-mulcl 8230 ax-addcom 8232 ax-addass 8234 ax-i2m1 8237 ax-0lt1 8238 ax-0id 8240 ax-rnegex 8241 ax-pre-ltirr 8244 ax-pre-lttrn 8246 ax-pre-ltadd 8248 |
| 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 3045 df-csb 3141 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-nul 3511 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-br 4112 df-opab 4174 df-mpt 4175 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-iota 5314 df-fun 5356 df-fn 5357 df-fv 5362 df-riota 6005 df-ov 6055 df-oprab 6056 df-mpo 6057 df-tpos 6478 df-pnf 8315 df-mnf 8316 df-ltxr 8318 df-inn 9243 df-2 9301 df-3 9302 df-ndx 13236 df-slot 13237 df-base 13239 df-sets 13240 df-plusg 13324 df-mulr 13325 df-0g 13492 df-mgm 13590 df-sgrp 13636 df-mnd 13651 df-grp 13737 df-mgp 14086 df-ur 14125 df-ring 14163 df-oppr 14233 |
| This theorem is referenced by: opprlring 14364 opprdrng 14480 |
| Copyright terms: Public domain | W3C validator |