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Mirrors > Home > MPE Home > Th. List > cnngp | Structured version Visualization version GIF version |
Description: The complex numbers form a normed group. (Contributed by Mario Carneiro, 4-Oct-2015.) |
Ref | Expression |
---|---|
cnngp | ⊢ ℂfld ∈ NrmGrp |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnring 20601 | . . 3 ⊢ ℂfld ∈ Ring | |
2 | ringgrp 19769 | . . 3 ⊢ (ℂfld ∈ Ring → ℂfld ∈ Grp) | |
3 | 1, 2 | ax-mp 5 | . 2 ⊢ ℂfld ∈ Grp |
4 | cnfldms 23920 | . 2 ⊢ ℂfld ∈ MetSp | |
5 | ssid 3947 | . 2 ⊢ (abs ∘ − ) ⊆ (abs ∘ − ) | |
6 | cnfldnm 23923 | . . 3 ⊢ abs = (norm‘ℂfld) | |
7 | cnfldsub 20607 | . . 3 ⊢ − = (-g‘ℂfld) | |
8 | cnfldds 20588 | . . 3 ⊢ (abs ∘ − ) = (dist‘ℂfld) | |
9 | 6, 7, 8 | isngp 23733 | . 2 ⊢ (ℂfld ∈ NrmGrp ↔ (ℂfld ∈ Grp ∧ ℂfld ∈ MetSp ∧ (abs ∘ − ) ⊆ (abs ∘ − ))) |
10 | 3, 4, 5, 9 | mpbir3an 1339 | 1 ⊢ ℂfld ∈ NrmGrp |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2109 ⊆ wss 3891 ∘ ccom 5592 − cmin 11188 abscabs 14926 Grpcgrp 18558 Ringcrg 19764 ℂfldccnfld 20578 MetSpcms 23452 NrmGrpcngp 23714 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-rep 5213 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-cnex 10911 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 ax-pre-sup 10933 ax-addf 10934 ax-mulf 10935 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rmo 3073 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-iun 4931 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-om 7701 df-1st 7817 df-2nd 7818 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-1o 8281 df-er 8472 df-map 8591 df-en 8708 df-dom 8709 df-sdom 8710 df-fin 8711 df-sup 9162 df-inf 9163 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-div 11616 df-nn 11957 df-2 12019 df-3 12020 df-4 12021 df-5 12022 df-6 12023 df-7 12024 df-8 12025 df-9 12026 df-n0 12217 df-z 12303 df-dec 12420 df-uz 12565 df-q 12671 df-rp 12713 df-xneg 12830 df-xadd 12831 df-xmul 12832 df-fz 13222 df-seq 13703 df-exp 13764 df-cj 14791 df-re 14792 df-im 14793 df-sqrt 14927 df-abs 14928 df-struct 16829 df-sets 16846 df-slot 16864 df-ndx 16876 df-base 16894 df-plusg 16956 df-mulr 16957 df-starv 16958 df-tset 16962 df-ple 16963 df-ds 16965 df-unif 16966 df-rest 17114 df-topn 17115 df-0g 17133 df-topgen 17135 df-mgm 18307 df-sgrp 18356 df-mnd 18367 df-grp 18561 df-minusg 18562 df-sbg 18563 df-cmn 19369 df-mgp 19702 df-ring 19766 df-cring 19767 df-psmet 20570 df-xmet 20571 df-met 20572 df-bl 20573 df-mopn 20574 df-cnfld 20579 df-top 22024 df-topon 22041 df-topsp 22063 df-bases 22077 df-xms 23454 df-ms 23455 df-nm 23719 df-ngp 23720 |
This theorem is referenced by: cnnrg 23925 abscn 23990 cnncvsabsnegdemo 24310 |
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