| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > opprlidlabs | Structured version Visualization version GIF version | ||
| Description: The ideals of the opposite ring's opposite ring are the ideals of the original ring. (Contributed by Thierry Arnoux, 9-Mar-2025.) |
| Ref | Expression |
|---|---|
| oppreqg.o | ⊢ 𝑂 = (oppr‘𝑅) |
| oppr2idl.2 | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| Ref | Expression |
|---|---|
| opprlidlabs | ⊢ (𝜑 → (LIdeal‘𝑅) = (LIdeal‘(oppr‘𝑂))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2752 | . . . . . . . . . . . 12 ⊢ (Base‘𝑂) = (Base‘𝑂) | |
| 2 | eqid 2752 | . . . . . . . . . . . 12 ⊢ (.r‘𝑂) = (.r‘𝑂) | |
| 3 | eqid 2752 | . . . . . . . . . . . 12 ⊢ (oppr‘𝑂) = (oppr‘𝑂) | |
| 4 | eqid 2752 | . . . . . . . . . . . 12 ⊢ (.r‘(oppr‘𝑂)) = (.r‘(oppr‘𝑂)) | |
| 5 | 1, 2, 3, 4 | opprmul 20357 | . . . . . . . . . . 11 ⊢ (𝑥(.r‘(oppr‘𝑂))𝑎) = (𝑎(.r‘𝑂)𝑥) |
| 6 | eqid 2752 | . . . . . . . . . . . 12 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 7 | eqid 2752 | . . . . . . . . . . . 12 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 8 | oppreqg.o | . . . . . . . . . . . 12 ⊢ 𝑂 = (oppr‘𝑅) | |
| 9 | 6, 7, 8, 2 | opprmul 20357 | . . . . . . . . . . 11 ⊢ (𝑎(.r‘𝑂)𝑥) = (𝑥(.r‘𝑅)𝑎) |
| 10 | 5, 9 | eqtr2i 2776 | . . . . . . . . . 10 ⊢ (𝑥(.r‘𝑅)𝑎) = (𝑥(.r‘(oppr‘𝑂))𝑎) |
| 11 | 10 | a1i 11 | . . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑎 ∈ 𝑖) ∧ 𝑏 ∈ 𝑖) → (𝑥(.r‘𝑅)𝑎) = (𝑥(.r‘(oppr‘𝑂))𝑎)) |
| 12 | 11 | oveq1d 7396 | . . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑎 ∈ 𝑖) ∧ 𝑏 ∈ 𝑖) → ((𝑥(.r‘𝑅)𝑎)(+g‘𝑅)𝑏) = ((𝑥(.r‘(oppr‘𝑂))𝑎)(+g‘𝑅)𝑏)) |
| 13 | 12 | eleq1d 2837 | . . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑎 ∈ 𝑖) ∧ 𝑏 ∈ 𝑖) → (((𝑥(.r‘𝑅)𝑎)(+g‘𝑅)𝑏) ∈ 𝑖 ↔ ((𝑥(.r‘(oppr‘𝑂))𝑎)(+g‘𝑅)𝑏) ∈ 𝑖)) |
| 14 | 13 | ralbidva 3173 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑎 ∈ 𝑖) → (∀𝑏 ∈ 𝑖 ((𝑥(.r‘𝑅)𝑎)(+g‘𝑅)𝑏) ∈ 𝑖 ↔ ∀𝑏 ∈ 𝑖 ((𝑥(.r‘(oppr‘𝑂))𝑎)(+g‘𝑅)𝑏) ∈ 𝑖)) |
| 15 | 14 | anasss 469 | . . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑎 ∈ 𝑖)) → (∀𝑏 ∈ 𝑖 ((𝑥(.r‘𝑅)𝑎)(+g‘𝑅)𝑏) ∈ 𝑖 ↔ ∀𝑏 ∈ 𝑖 ((𝑥(.r‘(oppr‘𝑂))𝑎)(+g‘𝑅)𝑏) ∈ 𝑖)) |
| 16 | 15 | 2ralbidva 3214 | . . . 4 ⊢ (𝜑 → (∀𝑥 ∈ (Base‘𝑅)∀𝑎 ∈ 𝑖 ∀𝑏 ∈ 𝑖 ((𝑥(.r‘𝑅)𝑎)(+g‘𝑅)𝑏) ∈ 𝑖 ↔ ∀𝑥 ∈ (Base‘𝑅)∀𝑎 ∈ 𝑖 ∀𝑏 ∈ 𝑖 ((𝑥(.r‘(oppr‘𝑂))𝑎)(+g‘𝑅)𝑏) ∈ 𝑖)) |
| 17 | 16 | 3anbi3d 1453 | . . 3 ⊢ (𝜑 → ((𝑖 ⊆ (Base‘𝑅) ∧ 𝑖 ≠ ∅ ∧ ∀𝑥 ∈ (Base‘𝑅)∀𝑎 ∈ 𝑖 ∀𝑏 ∈ 𝑖 ((𝑥(.r‘𝑅)𝑎)(+g‘𝑅)𝑏) ∈ 𝑖) ↔ (𝑖 ⊆ (Base‘𝑅) ∧ 𝑖 ≠ ∅ ∧ ∀𝑥 ∈ (Base‘𝑅)∀𝑎 ∈ 𝑖 ∀𝑏 ∈ 𝑖 ((𝑥(.r‘(oppr‘𝑂))𝑎)(+g‘𝑅)𝑏) ∈ 𝑖))) |
| 18 | eqid 2752 | . . . 4 ⊢ (LIdeal‘𝑅) = (LIdeal‘𝑅) | |
| 19 | eqid 2752 | . . . 4 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 20 | 18, 6, 19, 7 | islidl 21254 | . . 3 ⊢ (𝑖 ∈ (LIdeal‘𝑅) ↔ (𝑖 ⊆ (Base‘𝑅) ∧ 𝑖 ≠ ∅ ∧ ∀𝑥 ∈ (Base‘𝑅)∀𝑎 ∈ 𝑖 ∀𝑏 ∈ 𝑖 ((𝑥(.r‘𝑅)𝑎)(+g‘𝑅)𝑏) ∈ 𝑖)) |
| 21 | eqid 2752 | . . . 4 ⊢ (LIdeal‘(oppr‘𝑂)) = (LIdeal‘(oppr‘𝑂)) | |
| 22 | 8, 6 | opprbas 20360 | . . . . 5 ⊢ (Base‘𝑅) = (Base‘𝑂) |
| 23 | 3, 22 | opprbas 20360 | . . . 4 ⊢ (Base‘𝑅) = (Base‘(oppr‘𝑂)) |
| 24 | 8, 19 | oppradd 20361 | . . . . 5 ⊢ (+g‘𝑅) = (+g‘𝑂) |
| 25 | 3, 24 | oppradd 20361 | . . . 4 ⊢ (+g‘𝑅) = (+g‘(oppr‘𝑂)) |
| 26 | 21, 23, 25, 4 | islidl 21254 | . . 3 ⊢ (𝑖 ∈ (LIdeal‘(oppr‘𝑂)) ↔ (𝑖 ⊆ (Base‘𝑅) ∧ 𝑖 ≠ ∅ ∧ ∀𝑥 ∈ (Base‘𝑅)∀𝑎 ∈ 𝑖 ∀𝑏 ∈ 𝑖 ((𝑥(.r‘(oppr‘𝑂))𝑎)(+g‘𝑅)𝑏) ∈ 𝑖)) |
| 27 | 17, 20, 26 | 3bitr4g 316 | . 2 ⊢ (𝜑 → (𝑖 ∈ (LIdeal‘𝑅) ↔ 𝑖 ∈ (LIdeal‘(oppr‘𝑂)))) |
| 28 | 27 | eqrdv 2750 | 1 ⊢ (𝜑 → (LIdeal‘𝑅) = (LIdeal‘(oppr‘𝑂))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 ∧ w3a 1095 = wceq 1550 ∈ wcel 2132 ≠ wne 2947 ∀wral 3066 ⊆ wss 3895 ∅c0 4276 ‘cfv 6506 (class class class)co 7381 Basecbs 17217 +gcplusg 17258 .rcmulr 17259 Ringcrg 20251 opprcoppr 20353 LIdealclidl 21245 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-rep 5217 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-cnex 11115 ax-resscn 11116 ax-1cn 11117 ax-icn 11118 ax-addcl 11119 ax-addrcl 11120 ax-mulcl 11121 ax-mulrcl 11122 ax-mulcom 11123 ax-addass 11124 ax-mulass 11125 ax-distr 11126 ax-i2m1 11127 ax-1ne0 11128 ax-1rid 11129 ax-rnegex 11130 ax-rrecex 11131 ax-cnre 11132 ax-pre-lttri 11133 ax-pre-lttrn 11134 ax-pre-ltadd 11135 ax-pre-mulgt0 11136 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-nel 3052 df-ral 3067 df-rex 3077 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-lim 6336 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-riota 7338 df-ov 7384 df-oprab 7385 df-mpo 7386 df-om 7832 df-2nd 7956 df-tpos 8190 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-er 8662 df-en 8913 df-dom 8914 df-sdom 8915 df-pnf 11204 df-mnf 11205 df-xr 11206 df-ltxr 11207 df-le 11208 df-sub 11402 df-neg 11403 df-nn 12197 df-2 12266 df-3 12267 df-4 12268 df-5 12269 df-6 12270 df-7 12271 df-8 12272 df-sets 17172 df-slot 17190 df-ndx 17202 df-base 17218 df-ress 17239 df-plusg 17271 df-mulr 17272 df-sca 17274 df-vsca 17275 df-ip 17276 df-oppr 20354 df-lss 20968 df-sra 21209 df-rgmod 21210 df-lidl 21247 |
| This theorem is referenced by: oppr2idl 33618 opprmxidlabs 33619 |
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