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Mirrors > Home > MPE Home > Th. List > crngridl | Structured version Visualization version GIF version |
Description: In a commutative ring, the left and right ideals coincide. (Contributed by Mario Carneiro, 14-Jun-2015.) |
Ref | Expression |
---|---|
crng2idl.i | ⊢ 𝐼 = (LIdeal‘𝑅) |
crngridl.o | ⊢ 𝑂 = (oppr‘𝑅) |
Ref | Expression |
---|---|
crngridl | ⊢ (𝑅 ∈ CRing → 𝐼 = (LIdeal‘𝑂)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | crng2idl.i | . 2 ⊢ 𝐼 = (LIdeal‘𝑅) | |
2 | eqidd 2822 | . . . 4 ⊢ (𝑅 ∈ CRing → (Base‘𝑅) = (Base‘𝑅)) | |
3 | crngridl.o | . . . . . 6 ⊢ 𝑂 = (oppr‘𝑅) | |
4 | eqid 2821 | . . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
5 | 3, 4 | opprbas 19379 | . . . . 5 ⊢ (Base‘𝑅) = (Base‘𝑂) |
6 | 5 | a1i 11 | . . . 4 ⊢ (𝑅 ∈ CRing → (Base‘𝑅) = (Base‘𝑂)) |
7 | ssv 3991 | . . . . 5 ⊢ (Base‘𝑅) ⊆ V | |
8 | 7 | a1i 11 | . . . 4 ⊢ (𝑅 ∈ CRing → (Base‘𝑅) ⊆ V) |
9 | eqid 2821 | . . . . . . 7 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
10 | 3, 9 | oppradd 19380 | . . . . . 6 ⊢ (+g‘𝑅) = (+g‘𝑂) |
11 | 10 | oveqi 7169 | . . . . 5 ⊢ (𝑥(+g‘𝑅)𝑦) = (𝑥(+g‘𝑂)𝑦) |
12 | 11 | a1i 11 | . . . 4 ⊢ ((𝑅 ∈ CRing ∧ (𝑥 ∈ V ∧ 𝑦 ∈ V)) → (𝑥(+g‘𝑅)𝑦) = (𝑥(+g‘𝑂)𝑦)) |
13 | ovexd 7191 | . . . 4 ⊢ ((𝑅 ∈ CRing ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅))) → (𝑥(.r‘𝑅)𝑦) ∈ V) | |
14 | eqid 2821 | . . . . . 6 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
15 | eqid 2821 | . . . . . 6 ⊢ (.r‘𝑂) = (.r‘𝑂) | |
16 | 4, 14, 3, 15 | crngoppr 19377 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ 𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅)) → (𝑥(.r‘𝑅)𝑦) = (𝑥(.r‘𝑂)𝑦)) |
17 | 16 | 3expb 1116 | . . . 4 ⊢ ((𝑅 ∈ CRing ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅))) → (𝑥(.r‘𝑅)𝑦) = (𝑥(.r‘𝑂)𝑦)) |
18 | 2, 6, 8, 12, 13, 17 | lidlrsppropd 20003 | . . 3 ⊢ (𝑅 ∈ CRing → ((LIdeal‘𝑅) = (LIdeal‘𝑂) ∧ (RSpan‘𝑅) = (RSpan‘𝑂))) |
19 | 18 | simpld 497 | . 2 ⊢ (𝑅 ∈ CRing → (LIdeal‘𝑅) = (LIdeal‘𝑂)) |
20 | 1, 19 | syl5eq 2868 | 1 ⊢ (𝑅 ∈ CRing → 𝐼 = (LIdeal‘𝑂)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 Vcvv 3494 ⊆ wss 3936 ‘cfv 6355 (class class class)co 7156 Basecbs 16483 +gcplusg 16565 .rcmulr 16566 CRingccrg 19298 opprcoppr 19372 LIdealclidl 19942 RSpancrsp 19943 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5190 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-int 4877 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-tpos 7892 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-nn 11639 df-2 11701 df-3 11702 df-4 11703 df-5 11704 df-6 11705 df-7 11706 df-8 11707 df-ndx 16486 df-slot 16487 df-base 16489 df-sets 16490 df-ress 16491 df-plusg 16578 df-mulr 16579 df-sca 16581 df-vsca 16582 df-ip 16583 df-cmn 18908 df-mgp 19240 df-cring 19300 df-oppr 19373 df-lss 19704 df-lsp 19744 df-sra 19944 df-rgmod 19945 df-lidl 19946 df-rsp 19947 |
This theorem is referenced by: crng2idl 20012 |
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