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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 9213. |
| 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 9186 |
. 2
|
| 4 | lt2sqt 6630 |
. . . . . 6
| |
| 5 | sqrclt 6710 |
. . . . . . . 8
| |
| 6 | redivclt 5800 |
. . . . . . . . . 10
| |
| 7 | 6 | 3expa 833 |
. . . . . . . . 9
|
| 8 | nnret 5929 |
. . . . . . . . . 10
| |
| 9 | 4re 5982 |
. . . . . . . . . . 11
| |
| 10 | 2re 5979 |
. . . . . . . . . . . . 13
| |
| 11 | 10, 1 | remulcl 5335 |
. . . . . . . . . . . 12
|
| 12 | 1re 5435 |
. . . . . . . . . . . 12
| |
| 13 | 11, 12 | readdcl 5334 |
. . . . . . . . . . 11
|
| 14 | 9, 13 | remulcl 5335 |
. . . . . . . . . 10
|
| 15 | 8, 14 | jctil 292 |
. . . . . . . . 9
|
| 16 | nnne0t 5949 |
. . . . . . . . 9
| |
| 17 | 7, 15, 16 | sylanc 471 |
. . . . . . . 8
|
| 18 | 0re 5440 |
. . . . . . . . . . 11
| |
| 19 | 4pos 5992 |
. . . . . . . . . . . 12
| |
| 20 | 2pos 5989 |
. . . . . . . . . . . . . . 15
| |
| 21 | 18, 10, 20 | ltlei 5581 |
. . . . . . . . . . . . . 14
|
| 22 | projlem2.3 |
. . . . . . . . . . . . . 14
| |
| 23 | 10, 1 | mulge0 5607 |
. . . . . . . . . . . . . 14
|
| 24 | 21, 22, 23 | mp2an 697 |
. . . . . . . . . . . . 13
|
| 25 | lt01 5680 |
. . . . . . . . . . . . 13
| |
| 26 | 11, 12 | addgegt0 5600 |
. . . . . . . . . . . . 13
|
| 27 | 24, 25, 26 | mp2an 697 |
. . . . . . . . . . . 12
|
| 28 | 9, 13, 19, 27 | mulgt0i 5608 |
. . . . . . . . . . 11
|
| 29 | 18, 14, 28 | ltlei 5581 |
. . . . . . . . . 10
|
| 30 | divge0t 5856 |
. . . . . . . . . 10
| |
| 31 | 14, 29, 30 | mpanl12 708 |
. . . . . . . . 9
|
| 32 | nngt0t 5946 |
. . . . . . . . 9
| |
| 33 | 31, 8, 32 | sylanc 471 |
. . . . . . . 8
|
| 34 | 5, 17, 33 | sylanc 471 |
. . . . . . 7
|
| 35 | sqrge0t 6712 |
. . . . . . . 8
| |
| 36 | 35, 17, 33 | sylanc 471 |
. . . . . . 7
|
| 37 | 34, 36 | jca 288 |
. . . . . 6
|
| 38 | 18, 2 | ltle 5580 |
. . . . . . 7
|
| 39 | 38, 2 | jctil 292 |
. . . . . 6
|
| 40 | 4, 37, 39 | syl2an 454 |
. . . . 5
|
| 41 | 40 | ancoms 436 |
. . . 4
|
| 42 | sqsqrt 6723 |
. . . . . . 7
| |
| 43 | 42, 17, 33 | sylanc 471 |
. . . . . 6
|
| 44 | 43 | breq1d 2629 |
. . . . 5
|
| 45 | 44 | adantl 388 |
. . . 4
|
| 46 | 41, 45 | bitrd 528 |
. . 3
|
| 47 | 46 | rexbidva 1660 |
. 2
|
| 48 | 3, 47 | mpbird 196 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: projlem28 9213 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-9 965 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-rep 2693 ax-sep 2703 ax-nul 2710 ax-pow 2742 ax-pr 2779 ax-un 2866 ax-inf2 4625 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 776 df-3an 777 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-nel 1588 df-ral 1649 df-rex 1650 df-reu 1651 df-rab 1652 df-v 1812 df-sbc 1942 df-csb 2002 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-pss 2055 df-nul 2281 df-if 2362 df-pw 2402 df-sn 2412 df-pr 2413 df-tp 2415 df-op 2416 df-uni 2504 df-int 2534 df-iun 2568 df-br 2620 df-opab 2667 df-tr 2681 df-eprel 2832 df-id 2835 df-po 2840 df-so 2850 df-fr 2917 df-we 2934 df-ord 2951 df-on 2952 df-lim 2953 df-suc 2954 df-om 3132 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 df-fn 3193 df-f 3194 df-f1 3195 df-fo 3196 df-f1o 3197 df-fv 3198 df-rdg 3932 df-opr 3965 df-oprab 3966 df-1st 4079 df-2nd 4080 df-1o 4133 df-oadd 4135 df-omul 4136 df-er 4261 df-ec 4263 df-qs 4266 df-en 4368 df-dom 4369 df-sdom 4370 df-sup 4574 df-ni 5000 df-pli 5001 df-mi 5002 df-lti 5003 df-plpq 5035 df-mpq 5036 df-enq 5037 df-nq 5038 df-plq 5039 df-mq 5040 df-rq 5041 df-ltq 5042 df-1q 5043 df-np 5086 df-1p 5087 df-plp 5088 df-mp 5089 df-ltp 5090 df-plpr 5164 df-mpr 5165 df-enr 5166 df-nr 5167 df-plr 5168 df-mr 5169 df-ltr 5170 df-0r 5171 df-1r 5172 df-m1r 5173 df-c 5240 df-0 5241 df-1 5242 df-i 5243 df-r 5244 df-plus 5245 df-mul 5246 df-lt 5247 df-sub 5356 df-neg 5358 df-pnf 5487 df-mnf 5488 df-xr 5489 df-ltxr 5490 df-le 5491 df-div 5703 df-n 5925 df-2 5970 df-3 5971 df-4 5972 df-n0 6100 df-z 6136 df-seq1 6308 df-exp 6569 df-sqr 6670 |