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| Mirrors > Home > MPE Home > Th. List > Mathboxes > prjspner | Structured version Visualization version GIF version | ||
| Description: The relation used to define ℙ𝕣𝕠𝕛 (and indirectly ℙ𝕣𝕠𝕛n through df-prjspn 43161) is an equivalence relation. This is a lemma that converts the equivalence relation used in results like prjspertr 43151 and prjspersym 43153 (see prjspnerlem 43163). Several theorems are covered in one thanks to the theorems around df-er 8673. (Contributed by SN, 14-Aug-2023.) |
| Ref | Expression |
|---|---|
| prjspner.e | ⊢ ∼ = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ 𝑆 𝑥 = (𝑙 · 𝑦))} |
| prjspner.w | ⊢ 𝑊 = (𝐾 freeLMod (0...𝑁)) |
| prjspner.b | ⊢ 𝐵 = ((Base‘𝑊) ∖ {(0g‘𝑊)}) |
| prjspner.s | ⊢ 𝑆 = (Base‘𝐾) |
| prjspner.x | ⊢ · = ( ·𝑠 ‘𝑊) |
| prjspner.k | ⊢ (𝜑 → 𝐾 ∈ DivRing) |
| Ref | Expression |
|---|---|
| prjspner | ⊢ (𝜑 → ∼ Er 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prjspner.k | . . . 4 ⊢ (𝜑 → 𝐾 ∈ DivRing) | |
| 2 | ovexd 7427 | . . . 4 ⊢ (𝜑 → (0...𝑁) ∈ V) | |
| 3 | prjspner.w | . . . . 5 ⊢ 𝑊 = (𝐾 freeLMod (0...𝑁)) | |
| 4 | 3 | frlmlvec 21793 | . . . 4 ⊢ ((𝐾 ∈ DivRing ∧ (0...𝑁) ∈ V) → 𝑊 ∈ LVec) |
| 5 | 1, 2, 4 | syl2anc 593 | . . 3 ⊢ (𝜑 → 𝑊 ∈ LVec) |
| 6 | eqid 2761 | . . . 4 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))} = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))} | |
| 7 | prjspner.b | . . . 4 ⊢ 𝐵 = ((Base‘𝑊) ∖ {(0g‘𝑊)}) | |
| 8 | eqid 2761 | . . . 4 ⊢ (Scalar‘𝑊) = (Scalar‘𝑊) | |
| 9 | prjspner.x | . . . 4 ⊢ · = ( ·𝑠 ‘𝑊) | |
| 10 | eqid 2761 | . . . 4 ⊢ (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊)) | |
| 11 | 6, 7, 8, 9, 10 | prjsper 43154 | . . 3 ⊢ (𝑊 ∈ LVec → {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))} Er 𝐵) |
| 12 | 5, 11 | syl 17 | . 2 ⊢ (𝜑 → {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))} Er 𝐵) |
| 13 | prjspner.e | . . . 4 ⊢ ∼ = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ 𝑆 𝑥 = (𝑙 · 𝑦))} | |
| 14 | prjspner.s | . . . 4 ⊢ 𝑆 = (Base‘𝐾) | |
| 15 | 13, 3, 7, 14, 9 | prjspnerlem 43163 | . . 3 ⊢ (𝐾 ∈ DivRing → ∼ = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))}) |
| 16 | ereq1 8681 | . . 3 ⊢ ( ∼ = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))} → ( ∼ Er 𝐵 ↔ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))} Er 𝐵)) | |
| 17 | 1, 15, 16 | 3syl 18 | . 2 ⊢ (𝜑 → ( ∼ Er 𝐵 ↔ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ ∃𝑙 ∈ (Base‘(Scalar‘𝑊))𝑥 = (𝑙 · 𝑦))} Er 𝐵)) |
| 18 | 12, 17 | mpbird 259 | 1 ⊢ (𝜑 → ∼ Er 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 399 = wceq 1559 ∈ wcel 2141 ∃wrex 3085 Vcvv 3453 ∖ cdif 3901 {csn 4581 {copab 5161 ‘cfv 6517 (class class class)co 7392 Er wer 8670 0cc0 11070 ...cfz 13509 Basecbs 17228 Scalarcsca 17272 ·𝑠 cvsca 17273 0gc0g 17451 DivRingcdr 20758 LVecclvec 21149 freeLMod cfrlm 21778 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-cnex 11126 ax-resscn 11127 ax-1cn 11128 ax-icn 11129 ax-addcl 11130 ax-addrcl 11131 ax-mulcl 11132 ax-mulrcl 11133 ax-mulcom 11134 ax-addass 11135 ax-mulass 11136 ax-distr 11137 ax-i2m1 11138 ax-1ne0 11139 ax-1rid 11140 ax-rnegex 11141 ax-rrecex 11142 ax-cnre 11143 ax-pre-lttri 11144 ax-pre-lttrn 11145 ax-pre-ltadd 11146 ax-pre-mulgt0 11147 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-uni 4865 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6284 df-ord 6345 df-on 6346 df-lim 6347 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-riota 7349 df-ov 7395 df-oprab 7396 df-mpo 7397 df-om 7843 df-1st 7966 df-2nd 7967 df-tpos 8201 df-frecs 8257 df-wrecs 8288 df-recs 8337 df-rdg 8376 df-1o 8432 df-er 8673 df-map 8805 df-ixp 8876 df-en 8924 df-dom 8925 df-sdom 8926 df-fin 8927 df-sup 9385 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-sub 11413 df-neg 11414 df-nn 12208 df-2 12277 df-3 12278 df-4 12279 df-5 12280 df-6 12281 df-7 12282 df-8 12283 df-9 12284 df-n0 12479 df-z 12566 df-dec 12686 df-uz 12837 df-fz 13510 df-struct 17166 df-sets 17183 df-slot 17201 df-ndx 17213 df-base 17229 df-ress 17250 df-plusg 17282 df-mulr 17283 df-sca 17285 df-vsca 17286 df-ip 17287 df-tset 17288 df-ple 17289 df-ds 17291 df-hom 17293 df-cco 17294 df-0g 17453 df-prds 17459 df-pws 17461 df-mgm 18657 df-sgrp 18736 df-mnd 18752 df-grp 18961 df-minusg 18962 df-sbg 18963 df-subg 19148 df-cmn 19805 df-abl 19806 df-mgp 20170 df-rng 20182 df-ur 20211 df-ring 20264 df-oppr 20365 df-dvdsr 20385 df-unit 20386 df-invr 20416 df-subrg 20599 df-drng 20760 df-lmod 20909 df-lss 20979 df-lvec 21150 df-sra 21220 df-rgmod 21221 df-dsmm 21764 df-frlm 21779 |
| This theorem is referenced by: prjspnssbas 43167 prjspnn0 43168 prjspner01 43171 prjspner1 43172 |
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