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| Description: The real numbers are a subset of the complex numbers. Axiom 2 of 25 for real and complex numbers, derived from ZF set theory. (The proof was shortened by Andrew Salmon, 12-Aug-2011.) |
| Ref | Expression |
|---|---|
| axresscn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0r 6137 |
. . . 4
| |
| 2 | snssi 2951 |
. . . 4
| |
| 3 | 1, 2 | ax-mp 7 |
. . 3
|
| 4 | xpss2 3903 |
. . 3
| |
| 5 | 3, 4 | ax-mp 7 |
. 2
|
| 6 | df-r 6192 |
. 2
| |
| 7 | df-c 6188 |
. 2
| |
| 8 | 5, 6, 7 | 3sstr4i 2489 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ax1cn 6218 reex 6261 recn 6262 recni 6263 nnsscn 6906 nn0sscn 7108 qsscn 7240 ser1monoi 7545 reexpcl 7618 rpexpcl 7620 nthruc 7790 seq1ublem 7958 ser1absdiflem 7976 climserzlei 8202 climsupi 8210 caucvglem2 8213 caucvgi 8218 cvgcmp2clem 8237 cvgcmp2clemOLD 8238 cvgcmp3ci 8242 abscncf 8332 recncf 8333 imcncf 8334 ivthlem4 8341 ivthlem6 8343 ivthlem7 8344 ivthlem8 8345 ivthlem9 8346 isupivthi 8347 reeff1 8470 reeff1olem1 8484 reeff1o 8486 remetba 8982 readdsubg 9232 abscncfALT 9478 ipasslem7 9632 pilem1 9815 efifolem1 9871 circgrp 9889 ivthALT 15136 fsumltisumii 15504 fsumleisumii 15507 metdcn 15535 iiuni 15550 dfii3 15552 recms 15692 iccbnd 15708 phtpycom 15732 phtpycolem3 15735 phtpycolem4 15736 reparphtlem2 15746 pcocn 15758 pcohtpylem3 15764 pcopt 15766 pcoass 15767 pcorevlem 15768 pcorev 15769 pi1gp 15777 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1142 ax-gen 1143 ax-8 1144 ax-9 1145 ax-10 1146 ax-11 1147 ax-12 1148 ax-13 1149 ax-14 1150 ax-17 1155 ax-4 1157 ax-5o 1159 ax-6o 1162 ax-9o 1319 ax-10o 1338 ax-16 1418 ax-11o 1426 ax-ext 1702 ax-rep 3243 ax-sep 3253 ax-nul 3260 ax-pow 3296 ax-pr 3339 ax-un 3601 ax-inf2 5540 |
| This theorem depends on definitions: df-bi 163 df-or 240 df-an 241 df-3or 856 df-3an 857 df-ex 1165 df-sb 1374 df-eu 1613 df-mo 1614 df-clab 1709 df-cleq 1714 df-clel 1717 df-ne 1856 df-ral 1943 df-rex 1944 df-reu 1945 df-rab 1946 df-v 2127 df-sbc 2287 df-csb 2374 df-dif 2430 df-un 2433 df-in 2436 df-ss 2438 df-pss 2440 df-nul 2702 df-if 2807 df-pw 2859 df-sn 2873 df-pr 2874 df-tp 2876 df-op 2877 df-uni 3000 df-int 3037 df-iun 3079 df-br 3159 df-opab 3214 df-tr 3230 df-eprel 3398 df-id 3401 df-po 3406 df-so 3419 df-fr 3440 df-we 3459 df-ord 3475 df-on 3476 df-lim 3477 df-suc 3478 df-om 3761 df-xp 3811 df-rel 3812 df-cnv 3813 df-co 3814 df-dm 3815 df-rn 3816 df-res 3817 df-ima 3818 df-fun 3819 df-fn 3820 df-f 3821 df-fv 3825 df-opr 4697 df-oprab 4698 df-1st 4831 df-2nd 4832 df-rdg 4951 df-1o 4988 df-oadd 4990 df-omul 4991 df-er 5129 df-ec 5131 df-qs 5134 df-ni 5948 df-pli 5949 df-mi 5950 df-lti 5951 df-plpq 5983 df-mpq 5984 df-enq 5985 df-nq 5986 df-plq 5987 df-mq 5988 df-rq 5989 df-ltq 5990 df-1q 5991 df-np 6034 df-1p 6035 df-enr 6114 df-nr 6115 df-0r 6119 df-c 6188 df-r 6192 |