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| Mirrors > Home > MPE Home > Th. List > Mathboxes > lincresunitlem1 | Structured version Visualization version GIF version | ||
| Description: Lemma 1 for properties of a specially modified restriction of a linear combination containing a unit as scalar. (Contributed by AV, 18-May-2019.) |
| Ref | Expression |
|---|---|
| lincresunit.b | ⊢ 𝐵 = (Base‘𝑀) |
| lincresunit.r | ⊢ 𝑅 = (Scalar‘𝑀) |
| lincresunit.e | ⊢ 𝐸 = (Base‘𝑅) |
| lincresunit.u | ⊢ 𝑈 = (Unit‘𝑅) |
| lincresunit.0 | ⊢ 0 = (0g‘𝑅) |
| lincresunit.z | ⊢ 𝑍 = (0g‘𝑀) |
| lincresunit.n | ⊢ 𝑁 = (invg‘𝑅) |
| lincresunit.i | ⊢ 𝐼 = (invr‘𝑅) |
| lincresunit.t | ⊢ · = (.r‘𝑅) |
| lincresunit.g | ⊢ 𝐺 = (𝑠 ∈ (𝑆 ∖ {𝑋}) ↦ ((𝐼‘(𝑁‘(𝐹‘𝑋))) · (𝐹‘𝑠))) |
| Ref | Expression |
|---|---|
| lincresunitlem1 | ⊢ (((𝑆 ∈ 𝒫 𝐵 ∧ 𝑀 ∈ LMod ∧ 𝑋 ∈ 𝑆) ∧ (𝐹 ∈ (𝐸 ↑m 𝑆) ∧ (𝐹‘𝑋) ∈ 𝑈)) → (𝐼‘(𝑁‘(𝐹‘𝑋))) ∈ 𝐸) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lincresunit.r | . . . . 5 ⊢ 𝑅 = (Scalar‘𝑀) | |
| 2 | 1 | lmodring 21104 | . . . 4 ⊢ (𝑀 ∈ LMod → 𝑅 ∈ Ring) |
| 3 | 2 | 3ad2ant2 1152 | . . 3 ⊢ ((𝑆 ∈ 𝒫 𝐵 ∧ 𝑀 ∈ LMod ∧ 𝑋 ∈ 𝑆) → 𝑅 ∈ Ring) |
| 4 | 3 | adantr 486 | . 2 ⊢ (((𝑆 ∈ 𝒫 𝐵 ∧ 𝑀 ∈ LMod ∧ 𝑋 ∈ 𝑆) ∧ (𝐹 ∈ (𝐸 ↑m 𝑆) ∧ (𝐹‘𝑋) ∈ 𝑈)) → 𝑅 ∈ Ring) |
| 5 | simpr 490 | . . 3 ⊢ ((𝐹 ∈ (𝐸 ↑m 𝑆) ∧ (𝐹‘𝑋) ∈ 𝑈) → (𝐹‘𝑋) ∈ 𝑈) | |
| 6 | lincresunit.u | . . . 4 ⊢ 𝑈 = (Unit‘𝑅) | |
| 7 | lincresunit.n | . . . 4 ⊢ 𝑁 = (invg‘𝑅) | |
| 8 | 6, 7 | unitnegcl 20588 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝐹‘𝑋) ∈ 𝑈) → (𝑁‘(𝐹‘𝑋)) ∈ 𝑈) |
| 9 | 3, 5, 8 | syl2an 608 | . 2 ⊢ (((𝑆 ∈ 𝒫 𝐵 ∧ 𝑀 ∈ LMod ∧ 𝑋 ∈ 𝑆) ∧ (𝐹 ∈ (𝐸 ↑m 𝑆) ∧ (𝐹‘𝑋) ∈ 𝑈)) → (𝑁‘(𝐹‘𝑋)) ∈ 𝑈) |
| 10 | lincresunit.i | . . 3 ⊢ 𝐼 = (invr‘𝑅) | |
| 11 | lincresunit.e | . . 3 ⊢ 𝐸 = (Base‘𝑅) | |
| 12 | 6, 10, 11 | ringinvcl 20583 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑁‘(𝐹‘𝑋)) ∈ 𝑈) → (𝐼‘(𝑁‘(𝐹‘𝑋))) ∈ 𝐸) |
| 13 | 4, 9, 12 | syl2anc 596 | 1 ⊢ (((𝑆 ∈ 𝒫 𝐵 ∧ 𝑀 ∈ LMod ∧ 𝑋 ∈ 𝑆) ∧ (𝐹 ∈ (𝐸 ↑m 𝑆) ∧ (𝐹‘𝑋) ∈ 𝑈)) → (𝐼‘(𝑁‘(𝐹‘𝑋))) ∈ 𝐸) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ∖ cdif 3895 𝒫 cpw 4556 {csn 4583 ↦ cmpt 5185 ‘cfv 6527 (class class class)co 7408 ↑m cmap 8825 Basecbs 17348 .rcmulr 17390 Scalarcsca 17392 0gc0g 17571 invgcminusg 19106 Ringcrg 20420 Unitcui 20546 invrcinvr 20578 LModclmod 21096 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-cnex 11227 ax-resscn 11228 ax-1cn 11229 ax-icn 11230 ax-addcl 11231 ax-addrcl 11232 ax-mulcl 11233 ax-mulrcl 11234 ax-mulcom 11235 ax-addass 11236 ax-mulass 11237 ax-distr 11238 ax-i2m1 11239 ax-1ne0 11240 ax-1rid 11241 ax-rnegex 11242 ax-rrecex 11243 ax-cnre 11244 ax-pre-lttri 11245 ax-pre-lttrn 11246 ax-pre-ltadd 11247 ax-pre-mulgt0 11248 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7861 df-2nd 7985 df-tpos 8221 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8695 df-en 8952 df-dom 8953 df-sdom 8954 df-pnf 11316 df-mnf 11317 df-xr 11318 df-ltxr 11319 df-le 11320 df-sub 11514 df-neg 11515 df-nn 12305 df-2 12374 df-3 12375 df-sets 17303 df-slot 17321 df-ndx 17333 df-base 17349 df-ress 17370 df-plusg 17402 df-mulr 17403 df-0g 17573 df-mgm 18777 df-sgrp 18869 df-mnd 18885 df-grp 19108 df-minusg 19109 df-cmn 19957 df-abl 19958 df-mgp 20322 df-rng 20336 df-ur 20369 df-ring 20422 df-oppr 20528 df-dvdsr 20548 df-unit 20549 df-invr 20579 df-lmod 21098 |
| This theorem is used by: lincresunitlem2 49510 lincresunit2 49512 |
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