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Related theorems Unicode version |
| Description: If a vector does not belong to subspace, the norm of its projection is less than its norm. |
| Ref | Expression |
|---|---|
| pjnorm.1 |
|
| pjnorm.2 |
|
| Ref | Expression |
|---|---|
| pjnel |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pjnorm.1 |
. . . 4
| |
| 2 | pjnorm.2 |
. . . 4
| |
| 3 | 1, 2 | pjnorm 9583 |
. . 3
|
| 4 | 3 | biantrur 723 |
. 2
|
| 5 | 1, 2 | pjoc1 9179 |
. . . 4
|
| 6 | 1, 2 | pjhcli 9169 |
. . . . . . . . 9
|
| 7 | 6 | normcl 8919 |
. . . . . . . 8
|
| 8 | 7 | resqcl 6554 |
. . . . . . 7
|
| 9 | 8 | recn 5286 |
. . . . . 6
|
| 10 | 1 | choccl 9101 |
. . . . . . . . . 10
|
| 11 | 10, 2 | pjhcli 9169 |
. . . . . . . . 9
|
| 12 | 11 | normcl 8919 |
. . . . . . . 8
|
| 13 | 12 | resqcl 6554 |
. . . . . . 7
|
| 14 | 13 | recn 5286 |
. . . . . 6
|
| 15 | 0cn 5300 |
. . . . . . 7
| |
| 16 | 15 | sqcl 6545 |
. . . . . 6
|
| 17 | 9, 14, 16 | addcan 5323 |
. . . . 5
|
| 18 | 1, 2 | pjpyth 9584 |
. . . . . 6
|
| 19 | sq0 6566 |
. . . . . . . 8
| |
| 20 | 19 | opreq2i 3957 |
. . . . . . 7
|
| 21 | 9 | addid1 5302 |
. . . . . . 7
|
| 22 | 20, 21 | eqtr2 1488 |
. . . . . 6
|
| 23 | 18, 22 | eqeq12i 1480 |
. . . . 5
|
| 24 | normge0t 8913 |
. . . . . . . 8
| |
| 25 | 11, 24 | ax-mp 7 |
. . . . . . 7
|
| 26 | 0re 5412 |
. . . . . . . 8
| |
| 27 | 26 | leid 5584 |
. . . . . . 7
|
| 28 | 12, 26 | sq11 6557 |
. . . . . . 7
|
| 29 | 25, 27, 28 | mp2an 695 |
. . . . . 6
|
| 30 | 11 | norm-i 8921 |
. . . . . 6
|
| 31 | 29, 30 | bitr2 174 |
. . . . 5
|
| 32 | 17, 23, 31 | 3bitr4r 184 |
. . . 4
|
| 33 | normge0t 8913 |
. . . . . 6
| |
| 34 | 2, 33 | ax-mp 7 |
. . . . 5
|
| 35 | normge0t 8913 |
. . . . . 6
| |
| 36 | 6, 35 | ax-mp 7 |
. . . . 5
|
| 37 | 2 | normcl 8919 |
. . . . . 6
|
| 38 | 37, 7 | sq11 6557 |
. . . . 5
|
| 39 | 34, 36, 38 | mp2an 695 |
. . . 4
|
| 40 | 5, 32, 39 | 3bitr 177 |
. . 3
|
| 41 | 40 | necon3bbii 1589 |
. 2
|
| 42 | 7, 37 | ltlen 5549 |
. 2
|
| 43 | 4, 41, 42 | 3bitr4 183 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pjnelt 9588 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-9 962 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-rep 2683 ax-sep 2693 ax-nul 2700 ax-pow 2732 ax-pr 2769 ax-un 2857 ax-reg 4565 ax-inf2 4597 ax-ac 4716 ax-hilex 8790 ax-hfvadd 8791 ax-hvcom 8792 ax-hvass 8793 ax-hv0cl 8794 ax-hvaddid 8795 ax-hfvmul 8796 ax-hvmulid 8797 ax-hvmulass 8798 ax-hvdistr1 8799 ax-hvdistr2 8800 ax-hvmul0 8801 ax-hfi 8867 ax-his1 8870 ax-his2 8871 ax-his3 8872 ax-his4 8873 ax-hcompl 8992 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 774 df-3an 775 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-nel 1580 df-ral 1641 df-rex 1642 df-reu 1643 df-rab 1644 df-v 1803 df-sbc 1932 df-csb 1992 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-pss 2045 df-nul 2271 df-if 2352 df-pw 2392 df-sn 2402 df-pr 2403 df-tp 2405 df-op 2406 df-uni 2494 df-int 2524 df-iun 2558 df-iin 2559 df-br 2610 df-opab 2657 df-tr 2671 df-eprel 2821 df-id 2824 df-po 2831 df-so 2841 df-fr 2907 df-we 2924 df-ord 2941 df-on 2942 df-lim 2943 df-suc 2944 df-om 3122 df-xp 3174 df-rel 3175 df-cnv 3176 df-co 3177 df-dm 3178 df-rn 3179 df-res 3180 df-ima 3181 df-fun 3182 df-fn 3183 df-f 3184 df-f1 3185 df-fo 3186 df-f1o 3187 df-fv 3188 df-rdg 3917 df-opr 3950 df-oprab 3951 df-1st 4063 df-2nd 4064 df-1o 4117 df-oadd 4119 df-omul 4120 df-er 4245 df-ec 4247 df-qs 4250 df-map 4308 df-en 4351 df-dom 4352 df-sdom 4353 df-sup 4548 df-r1 4615 df-rank 4616 df-ni 4972 df-pli 4973 df-mi 4974 df-lti 4975 df-plpq 5007 df-mpq 5008 df-enq 5009 df-nq 5010 df-plq 5011 df-mq 5012 df-rq 5013 df-ltq 5014 df-1q 5015 df-np 5058 df-1p 5059 df-plp 5060 df-mp 5061 df-ltp 5062 df-plpr 5136 df-mpr 5137 df-enr 5138 df-nr 5139 df-plr 5140 df-mr 5141 df-ltr 5142 df-0r 5143 df-1r 5144 df-m1r 5145 df-c 5212 df-0 5213 df-1 5214 df-i 5215 df-r 5216 df-plus 5217 df-mul 5218 df-lt 5219 df-sub 5328 df-neg 5330 df-pnf 5459 df-mnf 5460 df-xr 5461 df-ltxr 5462 df-le 5463 df-div 5672 df-n 5873 df-2 5917 df-3 5918 df-4 5919 df-n0 6047 df-z 6083 df-fl 6172 df-q 6194 df-seq1 6245 df-shft 6278 df-ioo 6298 df-uz 6350 df-fz 6400 df-seqz 6465 df-exp 6501 df-sqr 6600 df-re 6682 df-im 6683 df-cj 6684 df-abs 6685 df-clim 6913 df-sum 6918 df-top 7534 df-bases 7536 df-topgen 7537 df-cld 7605 df-ntr 7606 df-cls 7607 df-cn 7694 df-cnp 7695 df-haus 7721 df-met 7732 df-bl 7734 df-opn 7735 df-lm 7860 df-grp 7971 df-gid 7972 df-ginv 7973 df-gdiv 7974 df-abl 8036 df-vc 8102 df-nv 8149 df-va 8152 df-ba 8153 df-sm 8154 df-0v 8155 df-vs 8156 df-nm 8157 df-ims 8158 df-ip 8284 df-ph 8403 df-hnorm 8776 df-hvsub 8779 df-hlim 8780 df-hcau 8781 df-sh 8997 df-ch 9013 df-oc 9045 df-ch0 9046 df-pj 9152 |