| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 2761 | . . 3 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 3 | eqid 2761 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 4 | 1, 2, 3 | uvcfval 21824 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝑈 = (𝑖 ∈ 𝐼 ↦ (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))))) |
| 5 | eqid 2761 | . . . . . . . 8 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 6 | 5, 2 | ringidcl 20302 | . . . . . . 7 ⊢ (𝑅 ∈ Ring → (1r‘𝑅) ∈ (Base‘𝑅)) |
| 7 | 5, 3 | ring0cl 20304 | . . . . . . 7 ⊢ (𝑅 ∈ Ring → (0g‘𝑅) ∈ (Base‘𝑅)) |
| 8 | 6, 7 | ifcld 4524 | . . . . . 6 ⊢ (𝑅 ∈ Ring → if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅)) ∈ (Base‘𝑅)) |
| 9 | 8 | ad3antrrr 740 | . . . . 5 ⊢ ((((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) ∧ 𝑗 ∈ 𝐼) → if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅)) ∈ (Base‘𝑅)) |
| 10 | 9 | fmpttd 7091 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))):𝐼⟶(Base‘𝑅)) |
| 11 | fvex 6875 | . . . . . 6 ⊢ (Base‘𝑅) ∈ V | |
| 12 | elmapg 8814 | . . . . . 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 700 | . . . . 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 737 | . . . 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 259 | . . 3 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ ((Base‘𝑅) ↑m 𝐼)) |
| 16 | mptexg 7200 | . . . . 5 ⊢ (𝐼 ∈ 𝑊 → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ V) | |
| 17 | 16 | ad2antlr 737 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ V) |
| 18 | funmpt 6554 | . . . . 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 6875 | . . . . 5 ⊢ (0g‘𝑅) ∈ V | |
| 21 | 20 | a1i 11 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (0g‘𝑅) ∈ V) |
| 22 | snfi 9018 | . . . . 5 ⊢ {𝑖} ∈ Fin | |
| 23 | 22 | a1i 11 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → {𝑖} ∈ Fin) |
| 24 | eldifsni 4747 | . . . . . . . 8 ⊢ (𝑗 ∈ (𝐼 ∖ {𝑖}) → 𝑗 ≠ 𝑖) | |
| 25 | 24 | adantl 485 | . . . . . . 7 ⊢ ((((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) ∧ 𝑗 ∈ (𝐼 ∖ {𝑖})) → 𝑗 ≠ 𝑖) |
| 26 | 25 | neneqd 2961 | . . . . . 6 ⊢ ((((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) ∧ 𝑗 ∈ (𝐼 ∖ {𝑖})) → ¬ 𝑗 = 𝑖) |
| 27 | 26 | iffalsed 4488 | . . . . 5 ⊢ ((((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) ∧ 𝑗 ∈ (𝐼 ∖ {𝑖})) → if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅)) = (0g‘𝑅)) |
| 28 | simplr 778 | . . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → 𝐼 ∈ 𝑊) | |
| 29 | 27, 28 | suppss2 8174 | . . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → ((𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) supp (0g‘𝑅)) ⊆ {𝑖}) |
| 30 | suppssfifsupp 9320 | . . . 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 1396 | . . 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 21796 | . . . 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 484 | . . 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 723 | . 2 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (𝑗 ∈ 𝐼 ↦ if(𝑗 = 𝑖, (1r‘𝑅), (0g‘𝑅))) ∈ 𝐵) |
| 37 | 4, 36 | fmpt3d 7092 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝑈:𝐼⟶𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 399 = wceq 1559 ∈ wcel 2141 ≠ wne 2956 Vcvv 3453 ∖ cdif 3899 ⊆ wss 3902 ifcif 4477 {csn 4579 class class class wbr 5097 ↦ cmpt 5178 Fun wfun 6510 ⟶wf 6512 ‘cfv 6516 (class class class)co 7391 supp csupp 8134 ↑m cmap 8802 Fincfn 8921 finSupp cfsupp 9301 Basecbs 17236 0gc0g 17459 1rcur 20218 Ringcrg 20270 freeLMod cfrlm 21786 unitVec cuvc 21822 |
| 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 5224 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 ax-cnex 11123 ax-resscn 11124 ax-1cn 11125 ax-icn 11126 ax-addcl 11127 ax-addrcl 11128 ax-mulcl 11129 ax-mulrcl 11130 ax-mulcom 11131 ax-addass 11132 ax-mulass 11133 ax-distr 11134 ax-i2m1 11135 ax-1ne0 11136 ax-1rid 11137 ax-rnegex 11138 ax-rrecex 11139 ax-cnre 11140 ax-pre-lttri 11141 ax-pre-lttrn 11142 ax-pre-ltadd 11143 ax-pre-mulgt0 11144 |
| 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 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-tp 4584 df-op 4586 df-uni 4863 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6283 df-ord 6344 df-on 6345 df-lim 6346 df-suc 6347 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-om 7842 df-1st 7965 df-2nd 7966 df-supp 8135 df-frecs 8256 df-wrecs 8287 df-recs 8336 df-rdg 8375 df-1o 8431 df-er 8672 df-map 8804 df-ixp 8874 df-en 8922 df-dom 8923 df-sdom 8924 df-fin 8925 df-fsupp 9302 df-sup 9382 df-pnf 11212 df-mnf 11213 df-xr 11214 df-ltxr 11215 df-le 11216 df-sub 11410 df-neg 11411 df-nn 12205 df-2 12274 df-3 12275 df-4 12276 df-5 12277 df-6 12278 df-7 12279 df-8 12280 df-9 12281 df-n0 12476 df-z 12563 df-dec 12683 df-uz 12834 df-fz 13507 df-struct 17174 df-sets 17191 df-slot 17209 df-ndx 17221 df-base 17237 df-ress 17258 df-plusg 17290 df-mulr 17291 df-sca 17293 df-vsca 17294 df-ip 17295 df-tset 17296 df-ple 17297 df-ds 17299 df-hom 17301 df-cco 17302 df-0g 17461 df-prds 17467 df-pws 17469 df-mgm 18665 df-sgrp 18744 df-mnd 18760 df-grp 18969 df-mgp 20178 df-ur 20219 df-ring 20272 df-sra 21228 df-rgmod 21229 df-dsmm 21772 df-frlm 21787 df-uvc 21823 |
| This theorem is referenced by: uvcf1 21832 uvcresum 21833 frlmssuvc1 21834 frlmssuvc2 21835 frlmsslsp 21836 frlmlbs 21837 frlmup2 21839 frlmup3 21840 frlmup4 21841 lindsdom 38074 matunitlindflem2 38077 uvccl 43120 aacllem 50383 |
| Copyright terms: Public domain | W3C validator |