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Mirrors > Home > MPE Home > Th. List > cndrng | Structured version Visualization version GIF version |
Description: The complex numbers form a division ring. (Contributed by Stefan O'Rear, 27-Nov-2014.) |
Ref | Expression |
---|---|
cndrng | ⊢ ℂfld ∈ DivRing |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnfldbas 20837 | . . . 4 ⊢ ℂ = (Base‘ℂfld) | |
2 | 1 | a1i 11 | . . 3 ⊢ (⊤ → ℂ = (Base‘ℂfld)) |
3 | cnfldmul 20839 | . . . 4 ⊢ · = (.r‘ℂfld) | |
4 | 3 | a1i 11 | . . 3 ⊢ (⊤ → · = (.r‘ℂfld)) |
5 | cnfld0 20858 | . . . 4 ⊢ 0 = (0g‘ℂfld) | |
6 | 5 | a1i 11 | . . 3 ⊢ (⊤ → 0 = (0g‘ℂfld)) |
7 | cnfld1 20859 | . . . 4 ⊢ 1 = (1r‘ℂfld) | |
8 | 7 | a1i 11 | . . 3 ⊢ (⊤ → 1 = (1r‘ℂfld)) |
9 | cnring 20856 | . . . 4 ⊢ ℂfld ∈ Ring | |
10 | 9 | a1i 11 | . . 3 ⊢ (⊤ → ℂfld ∈ Ring) |
11 | mulne0 11806 | . . . 4 ⊢ (((𝑥 ∈ ℂ ∧ 𝑥 ≠ 0) ∧ (𝑦 ∈ ℂ ∧ 𝑦 ≠ 0)) → (𝑥 · 𝑦) ≠ 0) | |
12 | 11 | 3adant1 1130 | . . 3 ⊢ ((⊤ ∧ (𝑥 ∈ ℂ ∧ 𝑥 ≠ 0) ∧ (𝑦 ∈ ℂ ∧ 𝑦 ≠ 0)) → (𝑥 · 𝑦) ≠ 0) |
13 | ax-1ne0 11129 | . . . 4 ⊢ 1 ≠ 0 | |
14 | 13 | a1i 11 | . . 3 ⊢ (⊤ → 1 ≠ 0) |
15 | reccl 11829 | . . . 4 ⊢ ((𝑥 ∈ ℂ ∧ 𝑥 ≠ 0) → (1 / 𝑥) ∈ ℂ) | |
16 | 15 | adantl 482 | . . 3 ⊢ ((⊤ ∧ (𝑥 ∈ ℂ ∧ 𝑥 ≠ 0)) → (1 / 𝑥) ∈ ℂ) |
17 | recid2 11837 | . . . 4 ⊢ ((𝑥 ∈ ℂ ∧ 𝑥 ≠ 0) → ((1 / 𝑥) · 𝑥) = 1) | |
18 | 17 | adantl 482 | . . 3 ⊢ ((⊤ ∧ (𝑥 ∈ ℂ ∧ 𝑥 ≠ 0)) → ((1 / 𝑥) · 𝑥) = 1) |
19 | 2, 4, 6, 8, 10, 12, 14, 16, 18 | isdrngd 20255 | . 2 ⊢ (⊤ → ℂfld ∈ DivRing) |
20 | 19 | mptru 1548 | 1 ⊢ ℂfld ∈ DivRing |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 396 = wceq 1541 ⊤wtru 1542 ∈ wcel 2106 ≠ wne 2939 ‘cfv 6501 (class class class)co 7362 ℂcc 11058 0cc0 11060 1c1 11061 · cmul 11065 / cdiv 11821 Basecbs 17094 .rcmulr 17148 0gc0g 17335 1rcur 19927 Ringcrg 19978 DivRingcdr 20225 ℂfldccnfld 20833 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-rep 5247 ax-sep 5261 ax-nul 5268 ax-pow 5325 ax-pr 5389 ax-un 7677 ax-cnex 11116 ax-resscn 11117 ax-1cn 11118 ax-icn 11119 ax-addcl 11120 ax-addrcl 11121 ax-mulcl 11122 ax-mulrcl 11123 ax-mulcom 11124 ax-addass 11125 ax-mulass 11126 ax-distr 11127 ax-i2m1 11128 ax-1ne0 11129 ax-1rid 11130 ax-rnegex 11131 ax-rrecex 11132 ax-cnre 11133 ax-pre-lttri 11134 ax-pre-lttrn 11135 ax-pre-ltadd 11136 ax-pre-mulgt0 11137 ax-addf 11139 ax-mulf 11140 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3351 df-reu 3352 df-rab 3406 df-v 3448 df-sbc 3743 df-csb 3859 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3932 df-nul 4288 df-if 4492 df-pw 4567 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4871 df-iun 4961 df-br 5111 df-opab 5173 df-mpt 5194 df-tr 5228 df-id 5536 df-eprel 5542 df-po 5550 df-so 5551 df-fr 5593 df-we 5595 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-pred 6258 df-ord 6325 df-on 6326 df-lim 6327 df-suc 6328 df-iota 6453 df-fun 6503 df-fn 6504 df-f 6505 df-f1 6506 df-fo 6507 df-f1o 6508 df-fv 6509 df-riota 7318 df-ov 7365 df-oprab 7366 df-mpo 7367 df-om 7808 df-1st 7926 df-2nd 7927 df-tpos 8162 df-frecs 8217 df-wrecs 8248 df-recs 8322 df-rdg 8361 df-1o 8417 df-er 8655 df-en 8891 df-dom 8892 df-sdom 8893 df-fin 8894 df-pnf 11200 df-mnf 11201 df-xr 11202 df-ltxr 11203 df-le 11204 df-sub 11396 df-neg 11397 df-div 11822 df-nn 12163 df-2 12225 df-3 12226 df-4 12227 df-5 12228 df-6 12229 df-7 12230 df-8 12231 df-9 12232 df-n0 12423 df-z 12509 df-dec 12628 df-uz 12773 df-fz 13435 df-struct 17030 df-sets 17047 df-slot 17065 df-ndx 17077 df-base 17095 df-ress 17124 df-plusg 17160 df-mulr 17161 df-starv 17162 df-tset 17166 df-ple 17167 df-ds 17169 df-unif 17170 df-0g 17337 df-mgm 18511 df-sgrp 18560 df-mnd 18571 df-grp 18765 df-minusg 18766 df-cmn 19578 df-mgp 19911 df-ur 19928 df-ring 19980 df-cring 19981 df-oppr 20063 df-dvdsr 20084 df-unit 20085 df-invr 20115 df-dvr 20126 df-drng 20227 df-cnfld 20834 |
This theorem is referenced by: cnflddiv 20864 cnfldinv 20865 cnsubdrglem 20885 cnmgpabl 20895 cnmsubglem 20897 gzrngunit 20900 zringunit 20924 zringmpg 20929 expghm 20933 psgninv 21023 zrhpsgnmhm 21025 cnstrcvs 24541 cnrlvec 24544 cnrnvc 24559 amgmlem 26376 dchrghm 26641 dchrabs 26645 sum2dchr 26659 lgseisenlem4 26763 1fldgenq 32160 xrge0slmod 32211 ccfldextrr 32424 cnrrext 32680 proot1ex 41586 amgmwlem 47369 amgmlemALT 47370 |
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