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| Mirrors > Home > HSE Home > Th. List > elspansn5 | Structured version Visualization version GIF version | ||
| Description: A vector belonging to both a subspace and the span of the singleton of a vector not in it must be zero. (Contributed by NM, 17-Dec-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| elspansn5 | ⊢ (𝐴 ∈ Sℋ → (((𝐵 ∈ ℋ ∧ ¬ 𝐵 ∈ 𝐴) ∧ (𝐶 ∈ (span‘{𝐵}) ∧ 𝐶 ∈ 𝐴)) → 𝐶 = 0ℎ)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elspansn4 31665 | . . . . . . . . 9 ⊢ (((𝐴 ∈ Sℋ ∧ 𝐵 ∈ ℋ) ∧ (𝐶 ∈ (span‘{𝐵}) ∧ 𝐶 ≠ 0ℎ)) → (𝐵 ∈ 𝐴 ↔ 𝐶 ∈ 𝐴)) | |
| 2 | 1 | biimprd 249 | . . . . . . . 8 ⊢ (((𝐴 ∈ Sℋ ∧ 𝐵 ∈ ℋ) ∧ (𝐶 ∈ (span‘{𝐵}) ∧ 𝐶 ≠ 0ℎ)) → (𝐶 ∈ 𝐴 → 𝐵 ∈ 𝐴)) |
| 3 | 2 | exp32 421 | . . . . . . 7 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ ℋ) → (𝐶 ∈ (span‘{𝐵}) → (𝐶 ≠ 0ℎ → (𝐶 ∈ 𝐴 → 𝐵 ∈ 𝐴)))) |
| 4 | 3 | com34 91 | . . . . . 6 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ ℋ) → (𝐶 ∈ (span‘{𝐵}) → (𝐶 ∈ 𝐴 → (𝐶 ≠ 0ℎ → 𝐵 ∈ 𝐴)))) |
| 5 | 4 | imp32 419 | . . . . 5 ⊢ (((𝐴 ∈ Sℋ ∧ 𝐵 ∈ ℋ) ∧ (𝐶 ∈ (span‘{𝐵}) ∧ 𝐶 ∈ 𝐴)) → (𝐶 ≠ 0ℎ → 𝐵 ∈ 𝐴)) |
| 6 | 5 | necon1bd 2949 | . . . 4 ⊢ (((𝐴 ∈ Sℋ ∧ 𝐵 ∈ ℋ) ∧ (𝐶 ∈ (span‘{𝐵}) ∧ 𝐶 ∈ 𝐴)) → (¬ 𝐵 ∈ 𝐴 → 𝐶 = 0ℎ)) |
| 7 | 6 | exp31 420 | . . 3 ⊢ (𝐴 ∈ Sℋ → (𝐵 ∈ ℋ → ((𝐶 ∈ (span‘{𝐵}) ∧ 𝐶 ∈ 𝐴) → (¬ 𝐵 ∈ 𝐴 → 𝐶 = 0ℎ)))) |
| 8 | 7 | com34 91 | . 2 ⊢ (𝐴 ∈ Sℋ → (𝐵 ∈ ℋ → (¬ 𝐵 ∈ 𝐴 → ((𝐶 ∈ (span‘{𝐵}) ∧ 𝐶 ∈ 𝐴) → 𝐶 = 0ℎ)))) |
| 9 | 8 | imp4c 424 | 1 ⊢ (𝐴 ∈ Sℋ → (((𝐵 ∈ ℋ ∧ ¬ 𝐵 ∈ 𝐴) ∧ (𝐶 ∈ (span‘{𝐵}) ∧ 𝐶 ∈ 𝐴)) → 𝐶 = 0ℎ)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 396 = wceq 1543 ∈ wcel 2115 ≠ wne 2931 {csn 4558 ‘cfv 6488 ℋchba 31011 0ℎc0v 31016 Sℋ csh 31020 spancspn 31024 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1970 ax-7 2011 ax-8 2117 ax-9 2125 ax-10 2148 ax-11 2164 ax-12 2185 ax-ext 2708 ax-rep 5202 ax-sep 5221 ax-nul 5231 ax-pow 5297 ax-pr 5365 ax-un 7681 ax-inf2 9556 ax-cc 10351 ax-cnex 11088 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 ax-pre-sup 11110 ax-addf 11111 ax-mulf 11112 ax-hilex 31091 ax-hfvadd 31092 ax-hvcom 31093 ax-hvass 31094 ax-hv0cl 31095 ax-hvaddid 31096 ax-hfvmul 31097 ax-hvmulid 31098 ax-hvmulass 31099 ax-hvdistr1 31100 ax-hvdistr2 31101 ax-hvmul0 31102 ax-hfi 31171 ax-his1 31174 ax-his2 31175 ax-his3 31176 ax-his4 31177 ax-hcompl 31294 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 850 df-3or 1089 df-3an 1090 df-tru 1546 df-fal 1556 df-ex 1783 df-nf 1787 df-sb 2070 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2932 df-nel 3036 df-ral 3051 df-rex 3061 df-rmo 3341 df-reu 3342 df-rab 3389 df-v 3430 df-sbc 3727 df-csb 3835 df-dif 3889 df-un 3891 df-in 3893 df-ss 3903 df-pss 3906 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4842 df-int 4881 df-iun 4926 df-iin 4927 df-br 5076 df-opab 5138 df-mpt 5157 df-tr 5183 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-se 5575 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6255 df-ord 6316 df-on 6317 df-lim 6318 df-suc 6319 df-iota 6444 df-fun 6490 df-fn 6491 df-f 6492 df-f1 6493 df-fo 6494 df-f1o 6495 df-fv 6496 df-isom 6497 df-riota 7316 df-ov 7362 df-oprab 7363 df-mpo 7364 df-of 7623 df-om 7810 df-1st 7934 df-2nd 7935 df-supp 8104 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-1o 8398 df-2o 8399 df-oadd 8402 df-omul 8403 df-er 8636 df-map 8768 df-pm 8769 df-ixp 8839 df-en 8887 df-dom 8888 df-sdom 8889 df-fin 8890 df-fsupp 9268 df-fi 9317 df-sup 9348 df-inf 9349 df-oi 9418 df-card 9857 df-acn 9860 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-div 11802 df-nn 12169 df-2 12238 df-3 12239 df-4 12240 df-5 12241 df-6 12242 df-7 12243 df-8 12244 df-9 12245 df-n0 12432 df-z 12519 df-dec 12639 df-uz 12783 df-q 12893 df-rp 12937 df-xneg 13057 df-xadd 13058 df-xmul 13059 df-ioo 13296 df-ico 13298 df-icc 13299 df-fz 13456 df-fzo 13603 df-fl 13745 df-seq 13958 df-exp 14018 df-hash 14287 df-cj 15055 df-re 15056 df-im 15057 df-sqrt 15191 df-abs 15192 df-clim 15444 df-rlim 15445 df-sum 15643 df-struct 17111 df-sets 17128 df-slot 17146 df-ndx 17158 df-base 17174 df-ress 17195 df-plusg 17227 df-mulr 17228 df-starv 17229 df-sca 17230 df-vsca 17231 df-ip 17232 df-tset 17233 df-ple 17234 df-ds 17236 df-unif 17237 df-hom 17238 df-cco 17239 df-rest 17379 df-topn 17380 df-0g 17398 df-gsum 17399 df-topgen 17400 df-pt 17401 df-prds 17404 df-xrs 17460 df-qtop 17465 df-imas 17466 df-xps 17468 df-mre 17542 df-mrc 17543 df-acs 17545 df-mgm 18602 df-sgrp 18681 df-mnd 18697 df-submnd 18746 df-mulg 19038 df-cntz 19286 df-cmn 19751 df-psmet 21342 df-xmet 21343 df-met 21344 df-bl 21345 df-mopn 21346 df-fbas 21347 df-fg 21348 df-cnfld 21351 df-top 22880 df-topon 22897 df-topsp 22919 df-bases 22932 df-cld 23005 df-ntr 23006 df-cls 23007 df-nei 23084 df-cn 23213 df-cnp 23214 df-lm 23215 df-haus 23301 df-tx 23548 df-hmeo 23741 df-fil 23832 df-fm 23924 df-flim 23925 df-flf 23926 df-xms 24306 df-ms 24307 df-tms 24308 df-cfil 25243 df-cau 25244 df-cmet 25245 df-grpo 30585 df-gid 30586 df-ginv 30587 df-gdiv 30588 df-ablo 30637 df-vc 30651 df-nv 30684 df-va 30687 df-ba 30688 df-sm 30689 df-0v 30690 df-vs 30691 df-nmcv 30692 df-ims 30693 df-dip 30793 df-ssp 30814 df-ph 30905 df-cbn 30955 df-hnorm 31060 df-hba 31061 df-hvsub 31063 df-hlim 31064 df-hcau 31065 df-sh 31299 df-ch 31313 df-oc 31344 df-ch0 31345 df-span 31401 |
| This theorem is referenced by: spansnm0i 31742 sumdmdlem 32510 |
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