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| Mirrors > Home > MPE Home > Th. List > uvcff | Structured version Visualization version GIF version | ||
| Description: Domain and codomain of the unit vector generator; ring condition required to be sure 1 and 0 are actually in the ring. (Contributed by Stefan O'Rear, 1-Feb-2015.) (Proof shortened by AV, 21-Jul-2019.) |
| Ref | Expression |
|---|---|
| uvcff.u | ⊢ 𝑈 = (𝑅 unitVec 𝐼) |
| uvcff.y | ⊢ 𝑌 = (𝑅 freeLMod 𝐼) |
| uvcff.b | ⊢ 𝐵 = (Base‘𝑌) |
| Ref | Expression |
|---|---|
| uvcff | ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝑈:𝐼⟶𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | uvcff.u | . . 3 ⊢ 𝑈 = (𝑅 unitVec 𝐼) | |
| 2 | eqid 2736 | . . 3 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 3 | eqid 2736 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 4 | 1, 2, 3 | uvcfval 21764 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝑈 = (𝑖 ∈ 𝐼 ↦ (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))))) |
| 5 | eqid 2736 | . . . . . . . 8 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 6 | 5, 2 | ringidcl 20246 | . . . . . . 7 ⊢ (𝑅 ∈ Ring → (1r‘𝑅) ∈ (Base‘𝑅)) |
| 7 | 5, 3 | ring0cl 20248 | . . . . . . 7 ⊢ (𝑅 ∈ Ring → (0g‘𝑅) ∈ (Base‘𝑅)) |
| 8 | 6, 7 | ifcld 4513 | . . . . . 6 ⊢ (𝑅 ∈ Ring → if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅)) ∈ (Base‘𝑅)) |
| 9 | 8 | ad3antrrr 731 | . . . . 5 ⊢ ((((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) ∧ 𝑗 ∈ 𝐼) → if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅)) ∈ (Base‘𝑅)) |
| 10 | 9 | fmpttd 7067 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))):𝐼⟶(Base‘𝑅)) |
| 11 | fvex 6853 | . . . . . 6 ⊢ (Base‘𝑅) ∈ V | |
| 12 | elmapg 8786 | . . . . . 6 ⊢ (((Base‘𝑅) ∈ V ∧ 𝐼 ∈ 𝑊) → ((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ ((Base‘𝑅) ↑m 𝐼) ↔ (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))):𝐼⟶(Base‘𝑅))) | |
| 13 | 11, 12 | mpan 691 | . . . . 5 ⊢ (𝐼 ∈ 𝑊 → ((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ ((Base‘𝑅) ↑m 𝐼) ↔ (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))):𝐼⟶(Base‘𝑅))) |
| 14 | 13 | ad2antlr 728 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → ((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ ((Base‘𝑅) ↑m 𝐼) ↔ (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))):𝐼⟶(Base‘𝑅))) |
| 15 | 10, 14 | mpbird 257 | . . 3 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ ((Base‘𝑅) ↑m 𝐼)) |
| 16 | mptexg 7176 | . . . . 5 ⊢ (𝐼 ∈ 𝑊 → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ V) | |
| 17 | 16 | ad2antlr 728 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ V) |
| 18 | funmpt 6536 | . . . . 5 ⊢ Fun (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) | |
| 19 | 18 | a1i 11 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → Fun (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅)))) |
| 20 | fvex 6853 | . . . . 5 ⊢ (0g‘𝑅) ∈ V | |
| 21 | 20 | a1i 11 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (0g‘𝑅) ∈ V) |
| 22 | snfi 8990 | . . . . 5 ⊢ {𝑖} ∈ Fin | |
| 23 | 22 | a1i 11 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → {𝑖} ∈ Fin) |
| 24 | eldifsni 4735 | . . . . . . . 8 ⊢ (𝑗 ∈ (𝐼 ∖ {𝑖}) → 𝑗 ≠ 𝑖) | |
| 25 | 24 | adantl 481 | . . . . . . 7 ⊢ ((((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) ∧ 𝑗 ∈ (𝐼 ∖ {𝑖})) → 𝑗 ≠ 𝑖) |
| 26 | 25 | neneqd 2937 | . . . . . 6 ⊢ ((((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) ∧ 𝑗 ∈ (𝐼 ∖ {𝑖})) → ¬ 𝑗 = 𝑖) |
| 27 | 26 | iffalsed 4477 | . . . . 5 ⊢ ((((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) ∧ 𝑗 ∈ (𝐼 ∖ {𝑖})) → if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅)) = (0g‘𝑅)) |
| 28 | simplr 769 | . . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → 𝐼 ∈ 𝑊) | |
| 29 | 27, 28 | suppss2 8150 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → ((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) supp (0g‘𝑅)) ⊆ {𝑖}) |
| 30 | suppssfifsupp 9293 | . . . 4 ⊢ ((((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ V ∧ Fun (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∧ (0g‘𝑅) ∈ V) ∧ ({𝑖} ∈ Fin ∧ ((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) supp (0g‘𝑅)) ⊆ {𝑖})) → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) finSupp (0g‘𝑅)) | |
| 31 | 17, 19, 21, 23, 29, 30 | syl32anc 1381 | . . 3 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) finSupp (0g‘𝑅)) |
| 32 | uvcff.y | . . . . 5 ⊢ 𝑌 = (𝑅 freeLMod 𝐼) | |
| 33 | uvcff.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑌) | |
| 34 | 32, 5, 3, 33 | frlmelbas 21736 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → ((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ 𝐵 ↔ ((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ ((Base‘𝑅) ↑m 𝐼) ∧ (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) finSupp (0g‘𝑅)))) |
| 35 | 34 | adantr 480 | . . 3 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → ((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ 𝐵 ↔ ((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ ((Base‘𝑅) ↑m 𝐼) ∧ (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) finSupp (0g‘𝑅)))) |
| 36 | 15, 31, 35 | mpbir2and 714 | . 2 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ 𝐵) |
| 37 | 4, 36 | fmpt3d 7068 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝑈:𝐼⟶𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ≠ wne 2932 Vcvv 3429 ∖ cdif 3886 ⊆ wss 3889 ifcif 4466 {csn 4567 class class class wbr 5085 ↦ cmpt 5166 Fun wfun 6492 ⟶wf 6494 ‘cfv 6498 (class class class)co 7367 supp csupp 8110 ↑m cmap 8773 Fincfn 8893 finSupp cfsupp 9274 Basecbs 17179 0gc0g 17402 1rcur 20162 Ringcrg 20214 freeLMod cfrlm 21726 unitVec cuvc 21762 |
| 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-rmo 3342 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-supp 8111 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-fsupp 9275 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-0g 17404 df-prds 17410 df-pws 17412 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-grp 18912 df-mgp 20122 df-ur 20163 df-ring 20216 df-sra 21168 df-rgmod 21169 df-dsmm 21712 df-frlm 21727 df-uvc 21763 |
| This theorem is referenced by: uvcf1 21772 uvcresum 21773 frlmssuvc1 21774 frlmssuvc2 21775 frlmsslsp 21776 frlmlbs 21777 frlmup2 21779 frlmup3 21780 frlmup4 21781 lindsdom 37935 matunitlindflem2 37938 uvccl 42986 aacllem 50276 |
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