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| Mirrors > Home > MPE Home > Th. List > lspvadd | Structured version Visualization version GIF version | ||
| Description: The span of a vector sum is included in the span of its arguments. (Contributed by NM, 22-Feb-2014.) (Proof shortened by Mario Carneiro, 21-Jun-2014.) |
| Ref | Expression |
|---|---|
| lspvadd.v | β’ π = (Baseβπ) |
| lspvadd.a | β’ + = (+gβπ) |
| lspvadd.n | β’ π = (LSpanβπ) |
| Ref | Expression |
|---|---|
| lspvadd | β’ ((π β LMod β§ π β π β§ π β π) β (πβ{(π + π)}) β (πβ{π, π})) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2733 | . 2 β’ (LSubSpβπ) = (LSubSpβπ) | |
| 2 | lspvadd.n | . 2 β’ π = (LSpanβπ) | |
| 3 | simp1 1137 | . 2 β’ ((π β LMod β§ π β π β§ π β π) β π β LMod) | |
| 4 | prssi 4825 | . . . 4 β’ ((π β π β§ π β π) β {π, π} β π) | |
| 5 | 4 | 3adant1 1131 | . . 3 β’ ((π β LMod β§ π β π β§ π β π) β {π, π} β π) |
| 6 | lspvadd.v | . . . 4 β’ π = (Baseβπ) | |
| 7 | 6, 1, 2 | lspcl 20587 | . . 3 β’ ((π β LMod β§ {π, π} β π) β (πβ{π, π}) β (LSubSpβπ)) |
| 8 | 3, 5, 7 | syl2anc 585 | . 2 β’ ((π β LMod β§ π β π β§ π β π) β (πβ{π, π}) β (LSubSpβπ)) |
| 9 | 6, 2 | lspssid 20596 | . . . . 5 β’ ((π β LMod β§ {π, π} β π) β {π, π} β (πβ{π, π})) |
| 10 | 3, 5, 9 | syl2anc 585 | . . . 4 β’ ((π β LMod β§ π β π β§ π β π) β {π, π} β (πβ{π, π})) |
| 11 | prssg 4823 | . . . . 5 β’ ((π β π β§ π β π) β ((π β (πβ{π, π}) β§ π β (πβ{π, π})) β {π, π} β (πβ{π, π}))) | |
| 12 | 11 | 3adant1 1131 | . . . 4 β’ ((π β LMod β§ π β π β§ π β π) β ((π β (πβ{π, π}) β§ π β (πβ{π, π})) β {π, π} β (πβ{π, π}))) |
| 13 | 10, 12 | mpbird 257 | . . 3 β’ ((π β LMod β§ π β π β§ π β π) β (π β (πβ{π, π}) β§ π β (πβ{π, π}))) |
| 14 | lspvadd.a | . . . 4 β’ + = (+gβπ) | |
| 15 | 14, 1 | lssvacl 20565 | . . 3 β’ (((π β LMod β§ (πβ{π, π}) β (LSubSpβπ)) β§ (π β (πβ{π, π}) β§ π β (πβ{π, π}))) β (π + π) β (πβ{π, π})) |
| 16 | 3, 8, 13, 15 | syl21anc 837 | . 2 β’ ((π β LMod β§ π β π β§ π β π) β (π + π) β (πβ{π, π})) |
| 17 | 1, 2, 3, 8, 16 | lspsnel5a 20607 | 1 β’ ((π β LMod β§ π β π β§ π β π) β (πβ{(π + π)}) β (πβ{π, π})) |
| Colors of variables: wff setvar class |
| Syntax hints: β wi 4 β wb 205 β§ wa 397 β§ w3a 1088 = wceq 1542 β wcel 2107 β wss 3949 {csn 4629 {cpr 4631 βcfv 6544 (class class class)co 7409 Basecbs 17144 +gcplusg 17197 LModclmod 20471 LSubSpclss 20542 LSpanclspn 20582 |
| 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 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7725 ax-cnex 11166 ax-resscn 11167 ax-1cn 11168 ax-icn 11169 ax-addcl 11170 ax-addrcl 11171 ax-mulcl 11172 ax-mulrcl 11173 ax-mulcom 11174 ax-addass 11175 ax-mulass 11176 ax-distr 11177 ax-i2m1 11178 ax-1ne0 11179 ax-1rid 11180 ax-rnegex 11181 ax-rrecex 11182 ax-cnre 11183 ax-pre-lttri 11184 ax-pre-lttrn 11185 ax-pre-ltadd 11186 ax-pre-mulgt0 11187 |
| This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3377 df-reu 3378 df-rab 3434 df-v 3477 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4910 df-int 4952 df-iun 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-riota 7365 df-ov 7412 df-oprab 7413 df-mpo 7414 df-om 7856 df-1st 7975 df-2nd 7976 df-frecs 8266 df-wrecs 8297 df-recs 8371 df-rdg 8410 df-er 8703 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11250 df-mnf 11251 df-xr 11252 df-ltxr 11253 df-le 11254 df-sub 11446 df-neg 11447 df-nn 12213 df-2 12275 df-sets 17097 df-slot 17115 df-ndx 17127 df-base 17145 df-plusg 17210 df-0g 17387 df-mgm 18561 df-sgrp 18610 df-mnd 18626 df-grp 18822 df-minusg 18823 df-sbg 18824 df-mgp 19988 df-ur 20005 df-ring 20058 df-lmod 20473 df-lss 20543 df-lsp 20583 |
| This theorem is referenced by: lspsntri 20708 lsmsat 37878 mapdindp3 40593 |
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