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| Description: Part of Lemma 3.6 of [Beran] p. 100. We need the square root for the norm limit. Used by projlem28 10846. |
| Ref | Expression |
|---|---|
| projlem1.1 |
|
| projlem1.2 |
|
| projlem2.3 |
|
| Ref | Expression |
|---|---|
| projlem2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | projlem1.1 |
. . 3
| |
| 2 | projlem1.2 |
. . 3
| |
| 3 | 1, 2 | projlem1 10819 |
. 2
|
| 4 | lt2sq 7875 |
. . . . . 6
| |
| 5 | nnre 7112 |
. . . . . . . . . 10
| |
| 6 | 4re 7166 |
. . . . . . . . . . 11
| |
| 7 | 2re 7163 |
. . . . . . . . . . . . 13
| |
| 8 | 7, 1 | remulcli 6488 |
. . . . . . . . . . . 12
|
| 9 | 1re 6598 |
. . . . . . . . . . . 12
| |
| 10 | 8, 9 | readdcli 6487 |
. . . . . . . . . . 11
|
| 11 | 6, 10 | remulcli 6488 |
. . . . . . . . . 10
|
| 12 | 5, 11 | jctil 316 |
. . . . . . . . 9
|
| 13 | nnne0 7132 |
. . . . . . . . 9
| |
| 14 | redivcl 6978 |
. . . . . . . . . 10
| |
| 15 | 14 | 3expa 1067 |
. . . . . . . . 9
|
| 16 | 12, 13, 15 | syl11anc 524 |
. . . . . . . 8
|
| 17 | nngt0 7129 |
. . . . . . . . 9
| |
| 18 | 0re 6603 |
. . . . . . . . . . 11
| |
| 19 | 4pos 7176 |
. . . . . . . . . . . 12
| |
| 20 | 2pos 7173 |
. . . . . . . . . . . . . . 15
| |
| 21 | 18, 7, 20 | ltleii 6756 |
. . . . . . . . . . . . . 14
|
| 22 | projlem2.3 |
. . . . . . . . . . . . . 14
| |
| 23 | 7, 1 | mulge0i 6787 |
. . . . . . . . . . . . . 14
|
| 24 | 21, 22, 23 | mp2an 761 |
. . . . . . . . . . . . 13
|
| 25 | lt01 6871 |
. . . . . . . . . . . . 13
| |
| 26 | 8, 9 | addgegt0i 6779 |
. . . . . . . . . . . . 13
|
| 27 | 24, 25, 26 | mp2an 761 |
. . . . . . . . . . . 12
|
| 28 | 6, 10, 19, 27 | mulgt0ii 6788 |
. . . . . . . . . . 11
|
| 29 | 18, 11, 28 | ltleii 6756 |
. . . . . . . . . 10
|
| 30 | divge0 7038 |
. . . . . . . . . 10
| |
| 31 | 11, 29, 30 | mpanl12 773 |
. . . . . . . . 9
|
| 32 | 5, 17, 31 | syl11anc 524 |
. . . . . . . 8
|
| 33 | sqrcl 7960 |
. . . . . . . 8
| |
| 34 | 16, 32, 33 | syl11anc 524 |
. . . . . . 7
|
| 35 | sqrge0 7962 |
. . . . . . . 8
| |
| 36 | 16, 32, 35 | syl11anc 524 |
. . . . . . 7
|
| 37 | 34, 36 | jca 310 |
. . . . . 6
|
| 38 | 18, 2 | ltlei 6755 |
. . . . . . 7
|
| 39 | 38, 2 | jctil 316 |
. . . . . 6
|
| 40 | 4, 37, 39 | syl2an 503 |
. . . . 5
|
| 41 | 40 | ancoms 484 |
. . . 4
|
| 42 | sqsqr 7973 |
. . . . . . 7
| |
| 43 | 16, 32, 42 | syl11anc 524 |
. . . . . 6
|
| 44 | 43 | breq1d 3348 |
. . . . 5
|
| 45 | 44 | adantl 424 |
. . . 4
|
| 46 | 41, 45 | bitrd 587 |
. . 3
|
| 47 | 46 | rexbidva 2120 |
. 2
|
| 48 | 3, 47 | mpbird 213 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: projlem28 10846 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-rep 3428 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 ax-inf2 5731 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3or 859 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-nel 2020 df-ral 2109 df-rex 2110 df-reu 2111 df-rab 2112 df-v 2294 df-sbc 2454 df-csb 2541 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-pss 2607 df-nul 2876 df-if 2983 df-pw 3035 df-sn 3049 df-pr 3050 df-tp 3052 df-op 3053 df-uni 3178 df-int 3215 df-iun 3257 df-br 3339 df-opab 3396 df-tr 3412 df-eprel 3583 df-id 3586 df-po 3591 df-so 3604 df-fr 3625 df-we 3644 df-ord 3660 df-on 3661 df-lim 3662 df-suc 3663 df-om 3950 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-f 4010 df-f1 4011 df-fo 4012 df-f1o 4013 df-fv 4014 df-opr 4886 df-oprab 4887 df-mpt 5006 df-1st 5020 df-2nd 5021 df-iota 5089 df-rdg 5140 df-1o 5177 df-oadd 5179 df-omul 5180 df-er 5318 df-ec 5320 df-qs 5323 df-en 5427 df-dom 5428 df-sdom 5429 df-undef 5556 df-riota 5560 df-sup 5664 df-ni 6152 df-pli 6153 df-mi 6154 df-lti 6155 df-plpq 6187 df-mpq 6188 df-enq 6189 df-nq 6190 df-plq 6191 df-mq 6192 df-rq 6193 df-ltq 6194 df-1q 6195 df-np 6238 df-1p 6239 df-plp 6240 df-mp 6241 df-ltp 6242 df-plpr 6316 df-mpr 6317 df-enr 6318 df-nr 6319 df-plr 6320 df-mr 6321 df-ltr 6322 df-0r 6323 df-1r 6324 df-m1r 6325 df-c 6392 df-0 6393 df-1 6394 df-i 6395 df-r 6396 df-plus 6397 df-mul 6398 df-lt 6399 df-sub 6511 df-neg 6513 df-pnf 6654 df-mnf 6655 df-xr 6656 df-ltxr 6657 df-le 6658 df-div 6892 df-n 7108 df-2 7154 df-3 7155 df-4 7156 df-n0 7309 df-z 7345 df-seq1 7721 df-exp 7812 df-sqr 7920 |