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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 11321 | . . 3 ⊢ (0 + 0) = 0 | |
| 2 | cnring 21374 | . . . . 5 ⊢ ℂfld ∈ Ring | |
| 3 | ringgrp 20219 | . . . . 5 ⊢ (ℂfld ∈ Ring → ℂfld ∈ Grp) | |
| 4 | 2, 3 | ax-mp 5 | . . . 4 ⊢ ℂfld ∈ Grp |
| 5 | 0cn 11136 | . . . 4 ⊢ 0 ∈ ℂ | |
| 6 | cnfldbas 21356 | . . . . 5 ⊢ ℂ = (Base‘ℂfld) | |
| 7 | cnfldadd 21358 | . . . . 5 ⊢ + = (+g‘ℂfld) | |
| 8 | eqid 2736 | . . . . 5 ⊢ (0g‘ℂfld) = (0g‘ℂfld) | |
| 9 | 6, 7, 8 | grpid 18951 | . . . 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 2745 | 1 ⊢ 0 = (0g‘ℂfld) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 = wceq 1542 ∈ wcel 2114 ‘cfv 6498 (class class class)co 7367 ℂcc 11036 0cc0 11038 + caddc 11041 0gc0g 17402 Grpcgrp 18909 Ringcrg 20214 ℂfldccnfld 21352 |
| 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 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-1st 7942 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 df-7 12249 df-8 12250 df-9 12251 df-n0 12438 df-z 12525 df-dec 12645 df-uz 12789 df-fz 13462 df-struct 17117 df-sets 17134 df-slot 17152 df-ndx 17164 df-base 17180 df-plusg 17233 df-mulr 17234 df-starv 17235 df-tset 17239 df-ple 17240 df-ds 17242 df-unif 17243 df-0g 17404 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-grp 18912 df-cmn 19757 df-mgp 20122 df-ring 20216 df-cring 20217 df-cnfld 21353 |
| This theorem is referenced by: cnfldneg 21378 cndrng 21381 cnflddiv 21382 cnfldinv 21383 cnfldmulg 21384 cnsubmlem 21395 cnsubdrglem 21398 absabv 21404 qsssubdrg 21406 cnmgpabl 21408 cnmsubglem 21410 gzrngunitlem 21412 gzrngunit 21413 gsumfsum 21414 expmhm 21416 nn0srg 21417 rge0srg 21418 zring0 21438 zringunit 21446 expghm 21455 psgninv 21562 zrhpsgnmhm 21564 re0g 21592 regsumsupp 21602 mhpsclcl 22113 mhpvarcl 22114 mhpmulcl 22115 cnfldnm 24743 clm0 25039 cphsubrglem 25144 cphreccllem 25145 tdeglem1 26023 tdeglem3 26024 tdeglem4 26025 plypf1 26177 dvply2g 26251 tayl0 26327 taylpfval 26330 efsubm 26515 jensenlem2 26951 jensen 26952 amgmlem 26953 amgm 26954 dchrghm 27219 dchrabs 27223 sum2dchr 27237 lgseisenlem4 27341 qrng0 27584 1fldgenq 33383 gsumind 33405 xrge0slmod 33408 psrmonprod 33696 esplyfvaln 33718 ccfldextdgrr 33816 constrelextdg2 33891 constrsdrg 33919 2sqr3minply 33924 cos9thpiminply 33932 zringnm 34102 rezh 34113 mhphflem 43029 fsumcnsrcl 43594 cnsrplycl 43595 rngunsnply 43597 proot1ex 43624 deg1mhm 43628 2zrng0 48720 amgmwlem 50277 amgmlemALT 50278 |
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