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| Description: Part of Lemma 3.6 of [Beran] p. 100. The set |
| Ref | Expression |
|---|---|
| projlem8.1 |
|
| projlem8.2 |
|
| projlem8.3 |
|
| Ref | Expression |
|---|---|
| projlem8 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | projlem8.3 |
. . 3
| |
| 2 | ssrab2 2121 |
. . 3
| |
| 3 | 1, 2 | eqsstr 2081 |
. 2
|
| 4 | eqeq1 1473 |
. . . . . . 7
| |
| 5 | 4 | rexbidv 1656 |
. . . . . 6
|
| 6 | 5 | elrab 1896 |
. . . . 5
|
| 7 | ax-hv0cl 8794 |
. . . . . . . 8
| |
| 8 | projlem8.1 |
. . . . . . . 8
| |
| 9 | 7, 8 | hvsubcl 8812 |
. . . . . . 7
|
| 10 | 9 | normcl 8919 |
. . . . . 6
|
| 11 | 10 | renegcl 5388 |
. . . . 5
|
| 12 | projlem8.2 |
. . . . . . 7
| |
| 13 | ch0 9019 |
. . . . . . 7
| |
| 14 | 12, 13 | ax-mp 7 |
. . . . . 6
|
| 15 | eqid 1468 |
. . . . . 6
| |
| 16 | opreq1 3953 |
. . . . . . . . . 10
| |
| 17 | 16 | fveq2d 3713 |
. . . . . . . . 9
|
| 18 | 17 | negeqd 5333 |
. . . . . . . 8
|
| 19 | 18 | eqeq2d 1478 |
. . . . . . 7
|
| 20 | 19 | rcla4ev 1868 |
. . . . . 6
|
| 21 | 14, 15, 20 | mp2an 695 |
. . . . 5
|
| 22 | 6, 11, 21 | mpbir2an 728 |
. . . 4
|
| 23 | 22, 1 | eleqtrr 1539 |
. . 3
|
| 24 | ne0i 2276 |
. . 3
| |
| 25 | 23, 24 | ax-mp 7 |
. 2
|
| 26 | 0re 5412 |
. . 3
| |
| 27 | eqeq1 1473 |
. . . . . . 7
| |
| 28 | 27 | rexbidv 1656 |
. . . . . 6
|
| 29 | 28, 1 | elrab2 1898 |
. . . . 5
|
| 30 | breq1 2612 |
. . . . . . . 8
| |
| 31 | 12 | chel 9023 |
. . . . . . . . . 10
|
| 32 | 31, 8 | jctir 293 |
. . . . . . . . 9
|
| 33 | hvsubclt 8808 |
. . . . . . . . 9
| |
| 34 | normge0t 8913 |
. . . . . . . . . 10
| |
| 35 | normclt 8912 |
. . . . . . . . . . 11
| |
| 36 | le0neg2t 5644 |
. . . . . . . . . . 11
| |
| 37 | 35, 36 | syl 10 |
. . . . . . . . . 10
|
| 38 | 34, 37 | mpbid 195 |
. . . . . . . . 9
|
| 39 | 32, 33, 38 | 3syl 20 |
. . . . . . . 8
|
| 40 | 30, 39 | syl5cbir 211 |
. . . . . . 7
|
| 41 | 40 | r19.23aiv 1735 |
. . . . . 6
|
| 42 | 41 | adantl 388 |
. . . . 5
|
| 43 | 29, 42 | sylbi 199 |
. . . 4
|
| 44 | 43 | rgen 1690 |
. . 3
|
| 45 | breq2 2613 |
. . . . 5
| |
| 46 | 45 | ralbidv 1655 |
. . . 4
|
| 47 | 46 | rcla4ev 1868 |
. . 3
|
| 48 | 26, 44, 47 | mp2an 695 |
. 2
|
| 49 | 3, 25, 48 | 3pm3.2i 816 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: projlem9 9110 projlem12 9113 projlem13 9114 projlem15 9116 |
| 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-inf2 4597 ax-hilex 8790 ax-hfvadd 8791 ax-hv0cl 8794 ax-hfvmul 8796 ax-hvmul0 8801 ax-hfi 8867 ax-his1 8870 ax-his3 8872 ax-his4 8873 |
| 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-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-en 4351 df-dom 4352 df-sdom 4353 df-sup 4548 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-sqr 6600 df-re 6682 df-im 6683 df-cj 6684 df-hnorm 8776 df-hvsub 8779 df-sh 8997 df-ch 9013 |