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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 11412 | . . 3 ⊢ (0 + 0) = 0 | |
| 2 | cnring 21610 | . . . . 5 ⊢ ℂfld ∈ Ring | |
| 3 | ringgrp 20380 | . . . . 5 ⊢ (ℂfld ∈ Ring → ℂfld ∈ Grp) | |
| 4 | 2, 3 | ax-mp 5 | . . . 4 ⊢ ℂfld ∈ Grp |
| 5 | 0cn 11225 | . . . 4 ⊢ 0 ∈ ℂ | |
| 6 | cnfldbas 21592 | . . . . 5 ⊢ ℂ = (Base‘ℂfld) | |
| 7 | cnfldadd 21594 | . . . . 5 ⊢ + = (+g‘ℂfld) | |
| 8 | eqid 2760 | . . . . 5 ⊢ (0g‘ℂfld) = (0g‘ℂfld) | |
| 9 | 6, 7, 8 | grpid 19102 | . . . 4 ⊢ ((ℂfld ∈ Grp ∧ 0 ∈ ℂ) → ((0 + 0) = 0 ↔ (0g‘ℂfld) = 0)) |
| 10 | 4, 5, 9 | mp2an 705 | . . 3 ⊢ ((0 + 0) = 0 ↔ (0g‘ℂfld) = 0) |
| 11 | 1, 10 | mpbi 233 | . 2 ⊢ (0g‘ℂfld) = 0 |
| 12 | 11 | eqcomi 2769 | 1 ⊢ 0 = (0g‘ℂfld) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 = wceq 1570 ∈ wcel 2145 ‘cfv 6533 (class class class)co 7414 ℂcc 11125 0cc0 11127 + caddc 11130 0gc0g 17527 Grpcgrp 19060 Ringcrg 20375 ℂfldccnfld 21588 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 ax-addf 11206 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-1o 8458 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-fin 8959 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-3 12331 df-4 12332 df-5 12333 df-6 12334 df-7 12335 df-8 12336 df-9 12337 df-n0 12532 df-z 12619 df-dec 12740 df-uz 12891 df-fz 13565 df-struct 17242 df-sets 17259 df-slot 17277 df-ndx 17289 df-base 17305 df-plusg 17358 df-mulr 17359 df-starv 17360 df-tset 17364 df-ple 17365 df-ds 17367 df-unif 17368 df-0g 17529 df-mgm 18733 df-sgrp 18824 df-mnd 18840 df-grp 19063 df-cmn 19912 df-mgp 20277 df-ring 20377 df-cring 20378 df-cnfld 21589 |
| This theorem is used by: cnfldneg 21614 cndrng 21617 cnflddiv 21618 cnfldinv 21619 cnfldmulg 21620 cnsubmlem 21631 cnsubdrglem 21634 absabv 21640 qsssubdrg 21642 cnmgpabl 21644 cnmsubglem 21646 gzrngunitlem 21648 gzrngunit 21649 gsumfsum 21650 expmhm 21652 nn0srg 21653 rge0srg 21654 zring0 21674 zringunit 21682 expghm 21691 psgninv 21798 zrhpsgnmhm 21800 re0g 21828 regsumsupp 21838 mhpsclcl 22378 mhpvarcl 22379 mhpmulcl 22380 cnfldnm 25007 clm0 25303 cphsubrglem 25408 cphreccllem 25409 tdeglem1 26286 tdeglem3 26287 tdeglem4 26288 plypf1 26441 dvply2g 26518 tayl0 26601 taylpfval 26604 efsubm 26791 jensenlem2 27227 jensen 27228 amgmlem 27229 amgm 27230 dchrghm 27495 dchrabs 27499 sum2dchr 27513 lgseisenlem4 27617 qrng0 27860 1fldgenq 33766 gsumind 33788 xrge0slmod 33791 psrmonprod 34065 esplyfvaln 34087 ccfldextdgrr 34185 constrelextdg2 34260 constrsdrg 34288 2sqr3minply 34293 cos9thpiminply 34301 zringnm 34471 rezh 34482 mhphflem 43445 fsumcnsrcl 44010 cnsrplycl 44011 rngunsnply 44013 proot1ex 44040 deg1mhm 44044 2zrng0 49162 amgmwlem 50823 amgmlemALT 50824 |
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