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| Mirrors > Home > MPE Home > Th. List > Mathboxes > prjspnerlem | Structured version Visualization version GIF version | ||
| Description: A lemma showing that the equivalence relation used in prjspnval2 43051 and the equivalence relation used in prjspval 43036 are equal, but only with the antecedent 𝐾 ∈ DivRing. (Contributed by SN, 15-Jul-2023.) |
| Ref | Expression |
|---|---|
| prjspnerlem.e | ⊢ ∼ = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ 𝑆 𝑥 = (𝑙 · 𝑦))} |
| prjspnerlem.w | ⊢ 𝑊 = (𝐾 freeLMod (0...𝑁)) |
| prjspnerlem.b | ⊢ 𝐵 = ((Base‘𝑊) ∖ {(0g‘𝑊)}) |
| prjspnerlem.s | ⊢ 𝑆 = (Base‘𝐾) |
| prjspnerlem.x | ⊢ · = ( ·𝑠 ‘𝑊) |
| Ref | Expression |
|---|---|
| prjspnerlem | ⊢ (𝐾 ∈ DivRing → ∼ = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prjspnerlem.e | . 2 ⊢ ∼ = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ 𝑆 𝑥 = (𝑙 · 𝑦))} | |
| 2 | prjspnerlem.s | . . . . . 6 ⊢ 𝑆 = (Base‘𝐾) | |
| 3 | ovex 7400 | . . . . . . . 8 ⊢ (0...𝑁) ∈ V | |
| 4 | prjspnerlem.w | . . . . . . . . 9 ⊢ 𝑊 = (𝐾 freeLMod (0...𝑁)) | |
| 5 | 4 | frlmsca 21733 | . . . . . . . 8 ⊢ ((𝐾 ∈ DivRing ∧ (0...𝑁) ∈ V) → 𝐾 = (Scalar‘𝑊)) |
| 6 | 3, 5 | mpan2 692 | . . . . . . 7 ⊢ (𝐾 ∈ DivRing → 𝐾 = (Scalar‘𝑊)) |
| 7 | 6 | fveq2d 6844 | . . . . . 6 ⊢ (𝐾 ∈ DivRing → (Base‘𝐾) = (Base‘(Scalar‘𝑊))) |
| 8 | 2, 7 | eqtrid 2783 | . . . . 5 ⊢ (𝐾 ∈ DivRing → 𝑆 = (Base‘(Scalar‘𝑊))) |
| 9 | 8 | rexeqdv 3296 | . . . 4 ⊢ (𝐾 ∈ DivRing → (∃𝑙 ∈ 𝑆 𝑥 = (𝑙 · 𝑦) ↔ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))) |
| 10 | 9 | anbi2d 631 | . . 3 ⊢ (𝐾 ∈ DivRing → (((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ 𝑆 𝑥 = (𝑙 · 𝑦)) ↔ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦)))) |
| 11 | 10 | opabbidv 5151 | . 2 ⊢ (𝐾 ∈ DivRing → {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ 𝑆 𝑥 = (𝑙 · 𝑦))} = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))}) |
| 12 | 1, 11 | eqtrid 2783 | 1 ⊢ (𝐾 ∈ DivRing → ∼ = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))}) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∃wrex 3061 Vcvv 3429 ∖ cdif 3886 {csn 4567 {copab 5147 ‘cfv 6498 (class class class)co 7367 0cc0 11038 ...cfz 13461 Basecbs 17179 Scalarcsca 17223 ·𝑠 cvsca 17224 0gc0g 17402 DivRingcdr 20706 freeLMod cfrlm 21726 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-1st 7942 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-er 8643 df-map 8775 df-ixp 8846 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-sup 9355 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 df-7 12249 df-8 12250 df-9 12251 df-n0 12438 df-z 12525 df-dec 12645 df-uz 12789 df-fz 13462 df-struct 17117 df-sets 17134 df-slot 17152 df-ndx 17164 df-base 17180 df-ress 17201 df-plusg 17233 df-mulr 17234 df-sca 17236 df-vsca 17237 df-ip 17238 df-tset 17239 df-ple 17240 df-ds 17242 df-hom 17244 df-cco 17245 df-prds 17410 df-pws 17412 df-sra 21168 df-rgmod 21169 df-dsmm 21712 df-frlm 21727 |
| This theorem is referenced by: prjspnval2 43051 prjspner 43052 prjspnvs 43053 |
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