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| Mirrors > Home > ILE Home > Th. List > cnfldstr | Unicode version | ||
| Description: The field of complex numbers is a structure. (Contributed by Mario Carneiro, 14-Aug-2015.) (Revised by Thierry Arnoux, 17-Dec-2017.) | 
| Ref | Expression | 
|---|---|
| cnfldstr | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | df-cnfld 14113 | 
. 2
 | |
| 2 | eqid 2196 | 
. . . . 5
 | |
| 3 | cnex 8003 | 
. . . . . 6
 | |
| 4 | 3 | a1i 9 | 
. . . . 5
 | 
| 5 | 3, 3 | mpoex 6272 | 
. . . . . 6
 | 
| 6 | 5 | a1i 9 | 
. . . . 5
 | 
| 7 | 3, 3 | mpoex 6272 | 
. . . . . 6
 | 
| 8 | 7 | a1i 9 | 
. . . . 5
 | 
| 9 | cjf 11012 | 
. . . . . . 7
 | |
| 10 | fex 5791 | 
. . . . . . 7
 | |
| 11 | 9, 3, 10 | mp2an 426 | 
. . . . . 6
 | 
| 12 | 11 | a1i 9 | 
. . . . 5
 | 
| 13 | 2, 4, 6, 8, 12 | srngstrd 12823 | 
. . . 4
 | 
| 14 | 13 | mptru 1373 | 
. . 3
 | 
| 15 | cntopex 14110 | 
. . . . 5
 | |
| 16 | xrex 9931 | 
. . . . . . 7
 | |
| 17 | 16, 16 | xpex 4778 | 
. . . . . 6
 | 
| 18 | lerelxr 8089 | 
. . . . . 6
 | |
| 19 | 17, 18 | ssexi 4171 | 
. . . . 5
 | 
| 20 | cndsex 14109 | 
. . . . 5
 | |
| 21 | 9nn 9159 | 
. . . . . 6
 | |
| 22 | tsetndx 12863 | 
. . . . . 6
 | |
| 23 | 9lt10 9587 | 
. . . . . 6
 | |
| 24 | 10nn 9472 | 
. . . . . 6
 | |
| 25 | plendx 12877 | 
. . . . . 6
 | |
| 26 | 1nn0 9265 | 
. . . . . . 7
 | |
| 27 | 0nn0 9264 | 
. . . . . . 7
 | |
| 28 | 2nn 9152 | 
. . . . . . 7
 | |
| 29 | 2pos 9081 | 
. . . . . . 7
 | |
| 30 | 26, 27, 28, 29 | declt 9484 | 
. . . . . 6
 | 
| 31 | 26, 28 | decnncl 9476 | 
. . . . . 6
 | 
| 32 | dsndx 12888 | 
. . . . . 6
 | |
| 33 | 21, 22, 23, 24, 25, 30, 31, 32 | strle3g 12786 | 
. . . . 5
 | 
| 34 | 15, 19, 20, 33 | mp3an 1348 | 
. . . 4
 | 
| 35 | metuex 14111 | 
. . . . 5
 | |
| 36 | 3nn 9153 | 
. . . . . . 7
 | |
| 37 | 26, 36 | decnncl 9476 | 
. . . . . 6
 | 
| 38 | unifndx 12899 | 
. . . . . 6
 | |
| 39 | 37, 38 | strle1g 12784 | 
. . . . 5
 | 
| 40 | 20, 35, 39 | mp2b 8 | 
. . . 4
 | 
| 41 | 2nn0 9266 | 
. . . . 5
 | |
| 42 | 2lt3 9161 | 
. . . . 5
 | |
| 43 | 26, 41, 36, 42 | declt 9484 | 
. . . 4
 | 
| 44 | 34, 40, 43 | strleun 12782 | 
. . 3
 | 
| 45 | 4lt9 9192 | 
. . 3
 | |
| 46 | 14, 44, 45 | strleun 12782 | 
. 2
 | 
| 47 | 1, 46 | eqbrtri 4054 | 
1
 | 
| Colors of variables: wff set class | 
| Syntax hints:     | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-coll 4148 ax-sep 4151 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-setind 4573 ax-cnex 7970 ax-resscn 7971 ax-1cn 7972 ax-1re 7973 ax-icn 7974 ax-addcl 7975 ax-addrcl 7976 ax-mulcl 7977 ax-mulrcl 7978 ax-addcom 7979 ax-mulcom 7980 ax-addass 7981 ax-mulass 7982 ax-distr 7983 ax-i2m1 7984 ax-0lt1 7985 ax-1rid 7986 ax-0id 7987 ax-rnegex 7988 ax-precex 7989 ax-cnre 7990 ax-pre-ltirr 7991 ax-pre-ltwlin 7992 ax-pre-lttrn 7993 ax-pre-apti 7994 ax-pre-ltadd 7995 ax-pre-mulgt0 7996 | 
| This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-nel 2463 df-ral 2480 df-rex 2481 df-reu 2482 df-rmo 2483 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3451 df-pw 3607 df-sn 3628 df-pr 3629 df-tp 3630 df-op 3631 df-uni 3840 df-int 3875 df-iun 3918 df-br 4034 df-opab 4095 df-mpt 4096 df-id 4328 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-rn 4674 df-res 4675 df-ima 4676 df-iota 5219 df-fun 5260 df-fn 5261 df-f 5262 df-f1 5263 df-fo 5264 df-f1o 5265 df-fv 5266 df-riota 5877 df-ov 5925 df-oprab 5926 df-mpo 5927 df-1st 6198 df-2nd 6199 df-pnf 8063 df-mnf 8064 df-xr 8065 df-ltxr 8066 df-le 8067 df-sub 8199 df-neg 8200 df-reap 8602 df-inn 8991 df-2 9049 df-3 9050 df-4 9051 df-5 9052 df-6 9053 df-7 9054 df-8 9055 df-9 9056 df-n0 9250 df-z 9327 df-dec 9458 df-uz 9602 df-rp 9729 df-fz 10084 df-cj 11007 df-abs 11164 df-struct 12680 df-ndx 12681 df-slot 12682 df-base 12684 df-plusg 12768 df-mulr 12769 df-starv 12770 df-tset 12774 df-ple 12775 df-ds 12777 df-unif 12778 df-topgen 12931 df-bl 14102 df-mopn 14103 df-fg 14105 df-metu 14106 df-cnfld 14113 | 
| This theorem is referenced by: cnfldex 14115 cnfldbas 14116 mpocnfldadd 14117 mpocnfldmul 14119 cnfldcj 14121 cnfldtset 14122 cnfldle 14123 cnfldds 14124 | 
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