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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 11498 | . . 3 ⊢ (0 + 0) = 0 | |
| 2 | cnring 21715 | . . . . 5 ⊢ ℂfld ∈ Ring | |
| 3 | ringgrp 20479 | . . . . 5 ⊢ (ℂfld ∈ Ring → ℂfld ∈ Grp) | |
| 4 | 2, 3 | ax-mp 5 | . . . 4 ⊢ ℂfld ∈ Grp |
| 5 | 0cn 11311 | . . . 4 ⊢ 0 ∈ ℂ | |
| 6 | cnfldbas 21697 | . . . . 5 ⊢ ℂ = (Base‘ℂfld) | |
| 7 | cnfldadd 21699 | . . . . 5 ⊢ + = (+g‘ℂfld) | |
| 8 | eqid 2763 | . . . . 5 ⊢ (0g‘ℂfld) = (0g‘ℂfld) | |
| 9 | 6, 7, 8 | grpid 19201 | . . . 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 2772 | 1 ⊢ 0 = (0g‘ℂfld) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 = wceq 1569 ∈ wcel 2146 ‘cfv 6547 (class class class)co 7430 ℂcc 11211 0cc0 11213 + caddc 11216 0gc0g 17625 Grpcgrp 19159 Ringcrg 20474 ℂfldccnfld 21693 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7761 ax-cnex 11269 ax-resscn 11270 ax-1cn 11271 ax-icn 11272 ax-addcl 11273 ax-addrcl 11274 ax-mulcl 11275 ax-mulrcl 11276 ax-mulcom 11277 ax-addass 11278 ax-mulass 11279 ax-distr 11280 ax-i2m1 11281 ax-1ne0 11282 ax-1rid 11283 ax-rnegex 11284 ax-rrecex 11285 ax-cnre 11286 ax-pre-lttri 11287 ax-pre-lttrn 11288 ax-pre-ltadd 11289 ax-pre-mulgt0 11290 ax-addf 11292 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 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 6311 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6501 df-fun 6549 df-fn 6550 df-f 6551 df-f1 6552 df-fo 6553 df-f1o 6554 df-fv 6555 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-om 7888 df-1st 8011 df-2nd 8012 df-frecs 8313 df-wrecs 8344 df-recs 8393 df-rdg 8432 df-1o 8490 df-er 8731 df-en 8988 df-dom 8989 df-sdom 8990 df-fin 8991 df-pnf 11358 df-mnf 11359 df-xr 11360 df-ltxr 11361 df-le 11362 df-sub 11556 df-neg 11557 df-nn 12349 df-2 12418 df-3 12419 df-4 12420 df-5 12421 df-6 12422 df-7 12423 df-8 12424 df-9 12425 df-n0 12620 df-z 12707 df-dec 12828 df-uz 12979 df-fz 13653 df-struct 17340 df-sets 17357 df-slot 17375 df-ndx 17387 df-base 17403 df-plusg 17456 df-mulr 17457 df-starv 17458 df-tset 17462 df-ple 17463 df-ds 17465 df-unif 17466 df-0g 17627 df-mgm 18831 df-sgrp 18923 df-mnd 18939 df-grp 19162 df-cmn 20011 df-mgp 20376 df-ring 20476 df-cring 20477 df-cnfld 21694 |
| This theorem is used by: cnfldneg 21719 cndrng 21722 cnflddiv 21723 cnfldinv 21724 cnfldmulg 21725 cnsubmlem 21736 cnsubdrglem 21739 absabv 21745 qsssubdrg 21747 cnmgpabl 21749 cnmsubglem 21751 gzrngunitlem 21753 gzrngunit 21754 gsumfsum 21755 expmhm 21757 nn0srg 21758 rge0srg 21759 zring0 21779 zringunit 21787 expghm 21796 psgninv 21903 zrhpsgnmhm 21905 re0g 21933 regsumsupp 21943 mhpsclcl 22483 mhpvarcl 22484 mhpmulcl 22485 cnfldnm 25112 clm0 25408 cphsubrglem 25513 cphreccllem 25514 tdeglem1 26391 tdeglem3 26392 tdeglem4 26393 plypf1 26546 dvply2g 26621 tayl0 26704 taylpfval 26707 efsubm 26894 jensenlem2 27330 jensen 27331 amgmlem 27332 amgm 27333 dchrghm 27598 dchrabs 27602 sum2dchr 27616 lgseisenlem4 27720 qrng0 27963 1fldgenq 33940 gsumind 33962 xrge0slmod 33965 psrmonprod 34240 esplyfvaln 34262 ccfldextdgrr 34360 constrelextdg2 34435 constrsdrg 34463 2sqr3minply 34468 cos9thpiminply 34476 zringnm 34646 rezh 34657 mhphflem 43767 fsumcnsrcl 44311 cnsrplycl 44312 rngunsnply 44314 proot1ex 44341 deg1mhm 44345 2zrng0 49483 amgmwlem 51204 amgmlemALT 51205 |
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