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| Description: A real number is a complex number. |
| Ref | Expression |
|---|---|
| recn.1 |
|
| Ref | Expression |
|---|---|
| recn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | axresscn 4062 |
. 2
| |
| 2 | recn.1 |
. 2
| |
| 3 | 1, 2 | sselii 1505 |
1
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| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 0cn 4100 1cn 4101 renegcl 4171 redivcl 4274 ltadd2 4312 ltadd1 4313 leadd2 4315 ltsubadd 4316 ltsubadd2 4317 lesubadd2 4318 lesubadd 4319 addgt0 4323 addge0 4324 addgegt0 4325 ltaddpos 4327 posdif 4328 add20 4329 ltneg 4330 leneg 4331 ltnegcon1 4332 ltnegcon2 4333 mulge0 4335 ltmullem 4337 lesub0 4341 subge0 4342 sqgt0 4343 sqge0 4344 eqneg 4378 recgt0i 4385 prodgt0i 4387 divgt0lem 4389 divge0 4392 ltmul1i 4393 ltmul2 4395 lemul2 4396 lemul1 4397 ltdivi 4398 ltmuldiv 4400 ltreci 4409 lerec 4411 ltdiv23i 4412 lt2sq 4414 halfpos 4421 nncn 4430 2cn 4471 3p2e5 4492 3p3e6 4493 4p2e6 4494 4p3e7 4495 4p4e8 4496 5p2e7 4497 5p3e8 4498 5p4e9 4499 6p2e8 4500 6p3e9 4501 7p2e9 4502 3t2e6 4504 3t3e9 4505 4t2e8 4506 4d2e2 4507 crulem 4528 cru 4529 crmult 4530 nn0cn 4545 lt2sqe 4700 le2sqe 4701 sqe11 4702 sqegt0 4703 sqege0 4704 discrlem1 4713 discrlem3 4715 nneo 4719 nnesq 4720 nn0opthlem2 4723 sqrlem1 4731 sqrlem2 4732 sqrlem10 4740 sqrlem11 4741 sqrlem15 4745 sqrlem16 4746 sqrlem19 4749 sqrlem20 4750 sqrmuli 4762 sqrsqe 4774 sqr2irrlem1 4777 sqr2irrlem4 4780 crre 4806 crim 4807 cjcj 4808 reim0 4809 rere 4810 cjre 4811 recj 4812 imcj 4813 readd 4814 imadd 4815 cjadd 4818 cjmul 4819 ipcn 4820 cjmulval 4822 reneg 4824 negre 4825 imneg 4826 cjneg 4827 addcj 4828 abs00 4839 absid 4850 absnid 4851 leabs 4852 absre 4854 abslt 4855 absle 4856 releabs 4858 abstri 4859 abs3lem 4861 abslem2i 4866 ruclem1 4885 ruclem2 4886 ruclem3 4887 normlem1 5063 normlem3 5065 normlem5 5067 normlem6 5068 norm-ii 5086 normsub 5089 norm3adif 5095 norm3lem 5096 normpar2 5100 bcs 5101 projlem3 5195 projlem4 5196 projlem5 5197 projlem7 5199 projlem12 5204 projlem13 5205 projlem18 5210 projlem26 5218 pjthlem5 5229 pjthlem8 5232 pjthlem11 5235 pjnel 5665 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-un 1076 ax-pow 1077 ax-reg 1078 ax-inf 1079 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-3or 582 df-3an 583 df-ex 679 df-sb 853 df-eu 1009 df-mo 1010 df-clab 1093 df-cleq 1097 df-clel 1099 df-ne 1192 df-ral 1205 df-rex 1206 df-reu 1207 df-rab 1208 df-v 1349 df-sbc 1441 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-pss 1494 df-nul 1708 df-if 1777 df-pw 1799 df-sn 1811 df-pr 1812 df-tp 1814 df-op 1815 df-uni 1920 df-int 1966 df-iun 1996 df-tr 2042 df-br 2063 df-opab 2098 df-eprel 2122 df-id 2125 df-po 2128 df-so 2138 df-fr 2169 df-we 2186 df-ord 2202 df-on 2203 df-lim 2204 df-suc 2205 df-om 2373 df-xp 2424 df-rel 2425 df-cnv 2426 df-co 2427 df-dm 2428 df-rn 2429 df-res 2430 df-ima 2431 df-fun 2432 df-fn 2433 df-f 2434 df-f1 2435 df-fv 2438 df-rdg 2970 df-opr 3003 df-oprab 3004 df-1o 3104 df-oadd 3106 df-omul 3107 df-er 3200 df-ec 3202 df-qs 3205 df-ni 3794 df-pli 3795 df-mi 3796 df-lti 3797 df-plpq 3829 df-mpq 3830 df-enq 3831 df-nq 3832 df-plq 3833 df-mq 3834 df-rq 3835 df-ltq 3836 df-1q 3837 df-np 3880 df-1p 3881 df-enr 3960 df-nr 3961 df-0r 3965 df-c 4034 df-r 4038 |