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| Mirrors > Home > HSE Home > Th. List > spansneleq | Structured version Visualization version GIF version | ||
| Description: Membership relation that implies equality of spans. (Contributed by NM, 6-Jun-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| spansneleq | ⊢ ((𝐵 ∈ ℋ ∧ 𝐴 ≠ 0ℎ) → (𝐴 ∈ (span‘{𝐵}) → (span‘{𝐴}) = (span‘{𝐵}))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elspansn 31643 | . . 3 ⊢ (𝐵 ∈ ℋ → (𝐴 ∈ (span‘{𝐵}) ↔ ∃𝑥 ∈ ℂ 𝐴 = (𝑥 ·ℎ 𝐵))) | |
| 2 | 1 | adantr 480 | . 2 ⊢ ((𝐵 ∈ ℋ ∧ 𝐴 ≠ 0ℎ) → (𝐴 ∈ (span‘{𝐵}) ↔ ∃𝑥 ∈ ℂ 𝐴 = (𝑥 ·ℎ 𝐵))) |
| 3 | sneq 4590 | . . . . . 6 ⊢ (𝐴 = (𝑥 ·ℎ 𝐵) → {𝐴} = {(𝑥 ·ℎ 𝐵)}) | |
| 4 | 3 | fveq2d 6838 | . . . . 5 ⊢ (𝐴 = (𝑥 ·ℎ 𝐵) → (span‘{𝐴}) = (span‘{(𝑥 ·ℎ 𝐵)})) |
| 5 | 4 | ad2antll 729 | . . . 4 ⊢ (((𝐵 ∈ ℋ ∧ 𝐴 ≠ 0ℎ) ∧ (𝑥 ∈ ℂ ∧ 𝐴 = (𝑥 ·ℎ 𝐵))) → (span‘{𝐴}) = (span‘{(𝑥 ·ℎ 𝐵)})) |
| 6 | oveq1 7365 | . . . . . . . . . . . . . . . 16 ⊢ (𝑥 = 0 → (𝑥 ·ℎ 𝐵) = (0 ·ℎ 𝐵)) | |
| 7 | ax-hvmul0 31087 | . . . . . . . . . . . . . . . 16 ⊢ (𝐵 ∈ ℋ → (0 ·ℎ 𝐵) = 0ℎ) | |
| 8 | 6, 7 | sylan9eqr 2793 | . . . . . . . . . . . . . . 15 ⊢ ((𝐵 ∈ ℋ ∧ 𝑥 = 0) → (𝑥 ·ℎ 𝐵) = 0ℎ) |
| 9 | 8 | ex 412 | . . . . . . . . . . . . . 14 ⊢ (𝐵 ∈ ℋ → (𝑥 = 0 → (𝑥 ·ℎ 𝐵) = 0ℎ)) |
| 10 | eqeq1 2740 | . . . . . . . . . . . . . . 15 ⊢ (𝐴 = (𝑥 ·ℎ 𝐵) → (𝐴 = 0ℎ ↔ (𝑥 ·ℎ 𝐵) = 0ℎ)) | |
| 11 | 10 | biimprd 248 | . . . . . . . . . . . . . 14 ⊢ (𝐴 = (𝑥 ·ℎ 𝐵) → ((𝑥 ·ℎ 𝐵) = 0ℎ → 𝐴 = 0ℎ)) |
| 12 | 9, 11 | sylan9 507 | . . . . . . . . . . . . 13 ⊢ ((𝐵 ∈ ℋ ∧ 𝐴 = (𝑥 ·ℎ 𝐵)) → (𝑥 = 0 → 𝐴 = 0ℎ)) |
| 13 | 12 | necon3d 2953 | . . . . . . . . . . . 12 ⊢ ((𝐵 ∈ ℋ ∧ 𝐴 = (𝑥 ·ℎ 𝐵)) → (𝐴 ≠ 0ℎ → 𝑥 ≠ 0)) |
| 14 | 13 | ex 412 | . . . . . . . . . . 11 ⊢ (𝐵 ∈ ℋ → (𝐴 = (𝑥 ·ℎ 𝐵) → (𝐴 ≠ 0ℎ → 𝑥 ≠ 0))) |
| 15 | 14 | com23 86 | . . . . . . . . . 10 ⊢ (𝐵 ∈ ℋ → (𝐴 ≠ 0ℎ → (𝐴 = (𝑥 ·ℎ 𝐵) → 𝑥 ≠ 0))) |
| 16 | 15 | impd 410 | . . . . . . . . 9 ⊢ (𝐵 ∈ ℋ → ((𝐴 ≠ 0ℎ ∧ 𝐴 = (𝑥 ·ℎ 𝐵)) → 𝑥 ≠ 0)) |
| 17 | 16 | adantr 480 | . . . . . . . 8 ⊢ ((𝐵 ∈ ℋ ∧ 𝑥 ∈ ℂ) → ((𝐴 ≠ 0ℎ ∧ 𝐴 = (𝑥 ·ℎ 𝐵)) → 𝑥 ≠ 0)) |
| 18 | spansncol 31645 | . . . . . . . . 9 ⊢ ((𝐵 ∈ ℋ ∧ 𝑥 ∈ ℂ ∧ 𝑥 ≠ 0) → (span‘{(𝑥 ·ℎ 𝐵)}) = (span‘{𝐵})) | |
| 19 | 18 | 3expia 1121 | . . . . . . . 8 ⊢ ((𝐵 ∈ ℋ ∧ 𝑥 ∈ ℂ) → (𝑥 ≠ 0 → (span‘{(𝑥 ·ℎ 𝐵)}) = (span‘{𝐵}))) |
| 20 | 17, 19 | syld 47 | . . . . . . 7 ⊢ ((𝐵 ∈ ℋ ∧ 𝑥 ∈ ℂ) → ((𝐴 ≠ 0ℎ ∧ 𝐴 = (𝑥 ·ℎ 𝐵)) → (span‘{(𝑥 ·ℎ 𝐵)}) = (span‘{𝐵}))) |
| 21 | 20 | exp4b 430 | . . . . . 6 ⊢ (𝐵 ∈ ℋ → (𝑥 ∈ ℂ → (𝐴 ≠ 0ℎ → (𝐴 = (𝑥 ·ℎ 𝐵) → (span‘{(𝑥 ·ℎ 𝐵)}) = (span‘{𝐵}))))) |
| 22 | 21 | com23 86 | . . . . 5 ⊢ (𝐵 ∈ ℋ → (𝐴 ≠ 0ℎ → (𝑥 ∈ ℂ → (𝐴 = (𝑥 ·ℎ 𝐵) → (span‘{(𝑥 ·ℎ 𝐵)}) = (span‘{𝐵}))))) |
| 23 | 22 | imp43 427 | . . . 4 ⊢ (((𝐵 ∈ ℋ ∧ 𝐴 ≠ 0ℎ) ∧ (𝑥 ∈ ℂ ∧ 𝐴 = (𝑥 ·ℎ 𝐵))) → (span‘{(𝑥 ·ℎ 𝐵)}) = (span‘{𝐵})) |
| 24 | 5, 23 | eqtrd 2771 | . . 3 ⊢ (((𝐵 ∈ ℋ ∧ 𝐴 ≠ 0ℎ) ∧ (𝑥 ∈ ℂ ∧ 𝐴 = (𝑥 ·ℎ 𝐵))) → (span‘{𝐴}) = (span‘{𝐵})) |
| 25 | 24 | rexlimdvaa 3138 | . 2 ⊢ ((𝐵 ∈ ℋ ∧ 𝐴 ≠ 0ℎ) → (∃𝑥 ∈ ℂ 𝐴 = (𝑥 ·ℎ 𝐵) → (span‘{𝐴}) = (span‘{𝐵}))) |
| 26 | 2, 25 | sylbid 240 | 1 ⊢ ((𝐵 ∈ ℋ ∧ 𝐴 ≠ 0ℎ) → (𝐴 ∈ (span‘{𝐵}) → (span‘{𝐴}) = (span‘{𝐵}))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1541 ∈ wcel 2113 ≠ wne 2932 ∃wrex 3060 {csn 4580 ‘cfv 6492 (class class class)co 7358 ℂcc 11026 0cc0 11028 ℋchba 30996 ·ℎ csm 30998 0ℎc0v 31001 spancspn 31009 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-inf2 9552 ax-cc 10347 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105 ax-pre-sup 11106 ax-addf 11107 ax-mulf 11108 ax-hilex 31076 ax-hfvadd 31077 ax-hvcom 31078 ax-hvass 31079 ax-hv0cl 31080 ax-hvaddid 31081 ax-hfvmul 31082 ax-hvmulid 31083 ax-hvmulass 31084 ax-hvdistr1 31085 ax-hvdistr2 31086 ax-hvmul0 31087 ax-hfi 31156 ax-his1 31159 ax-his2 31160 ax-his3 31161 ax-his4 31162 ax-hcompl 31279 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 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 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-tp 4585 df-op 4587 df-uni 4864 df-int 4903 df-iun 4948 df-iin 4949 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-se 5578 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-isom 6501 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-of 7622 df-om 7809 df-1st 7933 df-2nd 7934 df-supp 8103 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-2o 8398 df-oadd 8401 df-omul 8402 df-er 8635 df-map 8767 df-pm 8768 df-ixp 8838 df-en 8886 df-dom 8887 df-sdom 8888 df-fin 8889 df-fsupp 9267 df-fi 9316 df-sup 9347 df-inf 9348 df-oi 9417 df-card 9853 df-acn 9856 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-div 11797 df-nn 12148 df-2 12210 df-3 12211 df-4 12212 df-5 12213 df-6 12214 df-7 12215 df-8 12216 df-9 12217 df-n0 12404 df-z 12491 df-dec 12610 df-uz 12754 df-q 12864 df-rp 12908 df-xneg 13028 df-xadd 13029 df-xmul 13030 df-ioo 13267 df-ico 13269 df-icc 13270 df-fz 13426 df-fzo 13573 df-fl 13714 df-seq 13927 df-exp 13987 df-hash 14256 df-cj 15024 df-re 15025 df-im 15026 df-sqrt 15160 df-abs 15161 df-clim 15413 df-rlim 15414 df-sum 15612 df-struct 17076 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17139 df-ress 17160 df-plusg 17192 df-mulr 17193 df-starv 17194 df-sca 17195 df-vsca 17196 df-ip 17197 df-tset 17198 df-ple 17199 df-ds 17201 df-unif 17202 df-hom 17203 df-cco 17204 df-rest 17344 df-topn 17345 df-0g 17363 df-gsum 17364 df-topgen 17365 df-pt 17366 df-prds 17369 df-xrs 17425 df-qtop 17430 df-imas 17431 df-xps 17433 df-mre 17507 df-mrc 17508 df-acs 17510 df-mgm 18567 df-sgrp 18646 df-mnd 18662 df-submnd 18711 df-mulg 19000 df-cntz 19248 df-cmn 19713 df-psmet 21303 df-xmet 21304 df-met 21305 df-bl 21306 df-mopn 21307 df-fbas 21308 df-fg 21309 df-cnfld 21312 df-top 22840 df-topon 22857 df-topsp 22879 df-bases 22892 df-cld 22965 df-ntr 22966 df-cls 22967 df-nei 23044 df-cn 23173 df-cnp 23174 df-lm 23175 df-haus 23261 df-tx 23508 df-hmeo 23701 df-fil 23792 df-fm 23884 df-flim 23885 df-flf 23886 df-xms 24266 df-ms 24267 df-tms 24268 df-cfil 25213 df-cau 25214 df-cmet 25215 df-grpo 30570 df-gid 30571 df-ginv 30572 df-gdiv 30573 df-ablo 30622 df-vc 30636 df-nv 30669 df-va 30672 df-ba 30673 df-sm 30674 df-0v 30675 df-vs 30676 df-nmcv 30677 df-ims 30678 df-dip 30778 df-ssp 30799 df-ph 30890 df-cbn 30940 df-hnorm 31045 df-hba 31046 df-hvsub 31048 df-hlim 31049 df-hcau 31050 df-sh 31284 df-ch 31298 df-oc 31329 df-ch0 31330 df-span 31386 |
| This theorem is referenced by: elspansn4 31650 spansncvi 31729 superpos 32431 |
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