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| Mirrors > Home > MPE Home > Th. List > frlm0 | Structured version Visualization version GIF version | ||
| Description: Zero in a free module (ring constraint is stronger than necessary, but allows use of frlmlss 21901). (Contributed by Stefan O'Rear, 4-Feb-2015.) |
| Ref | Expression |
|---|---|
| frlmval.f | ⊢ 𝐹 = (𝑅 freeLMod 𝐼) |
| frlm0.z | ⊢ 0 = (0g‘𝑅) |
| Ref | Expression |
|---|---|
| frlm0 | ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (𝐼 × { 0 }) = (0g‘𝐹)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rlmlmod 21324 | . . . . 5 ⊢ (𝑅 ∈ Ring → (ringLMod‘𝑅) ∈ LMod) | |
| 2 | eqid 2763 | . . . . . 6 ⊢ ((ringLMod‘𝑅) ↑s 𝐼) = ((ringLMod‘𝑅) ↑s 𝐼) | |
| 3 | 2 | pwslmod 21091 | . . . . 5 ⊢ (((ringLMod‘𝑅) ∈ LMod ∧ 𝐼 ∈ 𝑊) → ((ringLMod‘𝑅) ↑s 𝐼) ∈ LMod) |
| 4 | 1, 3 | sylan 591 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → ((ringLMod‘𝑅) ↑s 𝐼) ∈ LMod) |
| 5 | frlmval.f | . . . . 5 ⊢ 𝐹 = (𝑅 freeLMod 𝐼) | |
| 6 | eqid 2763 | . . . . 5 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
| 7 | eqid 2763 | . . . . 5 ⊢ (LSubSp‘((ringLMod‘𝑅) ↑s 𝐼)) = (LSubSp‘((ringLMod‘𝑅) ↑s 𝐼)) | |
| 8 | 5, 6, 7 | frlmlss 21901 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (Base‘𝐹) ∈ (LSubSp‘((ringLMod‘𝑅) ↑s 𝐼))) |
| 9 | 7 | lsssubg 21078 | . . . 4 ⊢ ((((ringLMod‘𝑅) ↑s 𝐼) ∈ LMod ∧ (Base‘𝐹) ∈ (LSubSp‘((ringLMod‘𝑅) ↑s 𝐼))) → (Base‘𝐹) ∈ (SubGrp‘((ringLMod‘𝑅) ↑s 𝐼))) |
| 10 | 4, 8, 9 | syl2anc 595 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (Base‘𝐹) ∈ (SubGrp‘((ringLMod‘𝑅) ↑s 𝐼))) |
| 11 | eqid 2763 | . . . 4 ⊢ (((ringLMod‘𝑅) ↑s 𝐼) ↾s (Base‘𝐹)) = (((ringLMod‘𝑅) ↑s 𝐼) ↾s (Base‘𝐹)) | |
| 12 | eqid 2763 | . . . 4 ⊢ (0g‘((ringLMod‘𝑅) ↑s 𝐼)) = (0g‘((ringLMod‘𝑅) ↑s 𝐼)) | |
| 13 | 11, 12 | subg0 19193 | . . 3 ⊢ ((Base‘𝐹) ∈ (SubGrp‘((ringLMod‘𝑅) ↑s 𝐼)) → (0g‘((ringLMod‘𝑅) ↑s 𝐼)) = (0g‘(((ringLMod‘𝑅) ↑s 𝐼) ↾s (Base‘𝐹)))) |
| 14 | 10, 13 | syl 18 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (0g‘((ringLMod‘𝑅) ↑s 𝐼)) = (0g‘(((ringLMod‘𝑅) ↑s 𝐼) ↾s (Base‘𝐹)))) |
| 15 | lmodgrp 20988 | . . . 4 ⊢ ((ringLMod‘𝑅) ∈ LMod → (ringLMod‘𝑅) ∈ Grp) | |
| 16 | grpmnd 19002 | . . . 4 ⊢ ((ringLMod‘𝑅) ∈ Grp → (ringLMod‘𝑅) ∈ Mnd) | |
| 17 | 1, 15, 16 | 3syl 19 | . . 3 ⊢ (𝑅 ∈ Ring → (ringLMod‘𝑅) ∈ Mnd) |
| 18 | frlm0.z | . . . . 5 ⊢ 0 = (0g‘𝑅) | |
| 19 | rlm0 21316 | . . . . 5 ⊢ (0g‘𝑅) = (0g‘(ringLMod‘𝑅)) | |
| 20 | 18, 19 | eqtri 2786 | . . . 4 ⊢ 0 = (0g‘(ringLMod‘𝑅)) |
| 21 | 2, 20 | pws0g 18826 | . . 3 ⊢ (((ringLMod‘𝑅) ∈ Mnd ∧ 𝐼 ∈ 𝑊) → (𝐼 × { 0 }) = (0g‘((ringLMod‘𝑅) ↑s 𝐼))) |
| 22 | 17, 21 | sylan 591 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (𝐼 × { 0 }) = (0g‘((ringLMod‘𝑅) ↑s 𝐼))) |
| 23 | 5, 6 | frlmpws 21900 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝐹 = (((ringLMod‘𝑅) ↑s 𝐼) ↾s (Base‘𝐹))) |
| 24 | 23 | fveq2d 6885 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (0g‘𝐹) = (0g‘(((ringLMod‘𝑅) ↑s 𝐼) ↾s (Base‘𝐹)))) |
| 25 | 14, 22, 24 | 3eqtr4d 2808 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (𝐼 × { 0 }) = (0g‘𝐹)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 {csn 4589 × cxp 5659 ‘cfv 6536 (class class class)co 7410 Basecbs 17264 ↾s cress 17285 0gc0g 17487 ↑s cpws 17494 Mndcmnd 18787 Grpcgrp 18995 SubGrpcsubg 19181 Ringcrg 20310 LModclmod 20981 LSubSpclss 21052 ringLModcrglmod 21293 freeLMod cfrlm 21896 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11151 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 ax-pre-mulgt0 11172 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-tp 4594 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7859 df-1st 7982 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-er 8690 df-map 8822 df-ixp 8892 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-sup 9398 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 df-sub 11438 df-neg 11439 df-nn 12229 df-2 12298 df-3 12299 df-4 12300 df-5 12301 df-6 12302 df-7 12303 df-8 12304 df-9 12305 df-n0 12500 df-z 12587 df-dec 12707 df-uz 12858 df-fz 13531 df-struct 17202 df-sets 17219 df-slot 17237 df-ndx 17249 df-base 17265 df-ress 17286 df-plusg 17318 df-mulr 17319 df-sca 17321 df-vsca 17322 df-ip 17323 df-tset 17324 df-ple 17325 df-ds 17327 df-hom 17329 df-cco 17330 df-0g 17489 df-prds 17495 df-pws 17497 df-mgm 18693 df-sgrp 18772 df-mnd 18788 df-grp 18998 df-minusg 18999 df-sbg 19000 df-subg 19184 df-cmn 19847 df-abl 19848 df-mgp 20212 df-rng 20226 df-ur 20259 df-ring 20312 df-subrg 20669 df-lmod 20983 df-lss 21053 df-sra 21294 df-rgmod 21295 df-dsmm 21882 df-frlm 21897 |
| This theorem is referenced by: frlmsslss 21924 islindf5 21989 mat0op 22576 rrxcph 25551 rrx0 25556 matunitlindflem1 38267 frlm0vald 43307 mnring0g2d 44946 zlmodzxz0 49136 aacllem 50621 |
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