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| Mirrors > Home > MPE Home > Th. List > cnfld0 | Structured version Visualization version GIF version | ||
| Description: Zero is the zero element of the field of complex numbers. (Contributed by Stefan O'Rear, 27-Nov-2014.) |
| Ref | Expression |
|---|---|
| cnfld0 | ⊢ 0 = (0g‘ℂfld) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 00id 11320 | . . 3 ⊢ (0 + 0) = 0 | |
| 2 | cnring 21360 | . . . . 5 ⊢ ℂfld ∈ Ring | |
| 3 | ringgrp 20188 | . . . . 5 ⊢ (ℂfld ∈ Ring → ℂfld ∈ Grp) | |
| 4 | 2, 3 | ax-mp 5 | . . . 4 ⊢ ℂfld ∈ Grp |
| 5 | 0cn 11136 | . . . 4 ⊢ 0 ∈ ℂ | |
| 6 | cnfldbas 21328 | . . . . 5 ⊢ ℂ = (Base‘ℂfld) | |
| 7 | cnfldadd 21330 | . . . . 5 ⊢ + = (+g‘ℂfld) | |
| 8 | eqid 2737 | . . . . 5 ⊢ (0g‘ℂfld) = (0g‘ℂfld) | |
| 9 | 6, 7, 8 | grpid 18920 | . . . 4 ⊢ ((ℂfld ∈ Grp ∧ 0 ∈ ℂ) → ((0 + 0) = 0 ↔ (0g‘ℂfld) = 0)) |
| 10 | 4, 5, 9 | mp2an 693 | . . 3 ⊢ ((0 + 0) = 0 ↔ (0g‘ℂfld) = 0) |
| 11 | 1, 10 | mpbi 230 | . 2 ⊢ (0g‘ℂfld) = 0 |
| 12 | 11 | eqcomi 2746 | 1 ⊢ 0 = (0g‘ℂfld) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 = wceq 1542 ∈ wcel 2114 ‘cfv 6500 (class class class)co 7368 ℂcc 11036 0cc0 11038 + caddc 11041 0gc0g 17371 Grpcgrp 18878 Ringcrg 20183 ℂfldccnfld 21324 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-addf 11117 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-6 12224 df-7 12225 df-8 12226 df-9 12227 df-n0 12414 df-z 12501 df-dec 12620 df-uz 12764 df-fz 13436 df-struct 17086 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17149 df-plusg 17202 df-mulr 17203 df-starv 17204 df-tset 17208 df-ple 17209 df-ds 17211 df-unif 17212 df-0g 17373 df-mgm 18577 df-sgrp 18656 df-mnd 18672 df-grp 18881 df-cmn 19726 df-mgp 20091 df-ring 20185 df-cring 20186 df-cnfld 21325 |
| This theorem is referenced by: cnfldneg 21365 cndrng 21368 cndrngOLD 21369 cnflddiv 21370 cnflddivOLD 21371 cnfldinv 21372 cnfldmulg 21373 cnsubmlem 21384 cnsubdrglem 21388 absabv 21394 qsssubdrg 21396 cnmgpabl 21398 cnmsubglem 21400 gzrngunitlem 21402 gzrngunit 21403 gsumfsum 21404 expmhm 21406 nn0srg 21407 rge0srg 21408 zring0 21428 zringunit 21436 expghm 21445 psgninv 21552 zrhpsgnmhm 21554 re0g 21582 regsumsupp 21592 mhpsclcl 22105 mhpvarcl 22106 mhpmulcl 22107 cnfldnm 24737 clm0 25043 cphsubrglem 25148 cphreccllem 25149 tdeglem1 26034 tdeglem3 26035 tdeglem4 26036 plypf1 26188 dvply2g 26263 dvply2gOLD 26264 tayl0 26340 taylpfval 26343 efsubm 26531 jensenlem2 26969 jensen 26970 amgmlem 26971 amgm 26972 dchrghm 27238 dchrabs 27242 sum2dchr 27256 lgseisenlem4 27360 qrng0 27603 1fldgenq 33420 gsumind 33442 xrge0slmod 33445 psrmonprod 33733 esplyfvaln 33755 ccfldextdgrr 33854 constrelextdg2 33929 constrsdrg 33957 2sqr3minply 33962 cos9thpiminply 33970 zringnm 34140 rezh 34151 mhphflem 42958 fsumcnsrcl 43527 cnsrplycl 43528 rngunsnply 43530 proot1ex 43557 deg1mhm 43561 2zrng0 48608 amgmwlem 50165 amgmlemALT 50166 |
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