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Mirrors > Home > MPE Home > Th. List > 3cn | Structured version Visualization version GIF version |
Description: The number 3 is a complex number. (Contributed by FL, 17-Oct-2010.) Reduce dependencies on axioms. (Revised by Steven Nguyen, 4-Oct-2022.) |
Ref | Expression |
---|---|
3cn | ⊢ 3 ∈ ℂ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-3 11695 | . 2 ⊢ 3 = (2 + 1) | |
2 | 2cn 11706 | . . 3 ⊢ 2 ∈ ℂ | |
3 | ax-1cn 10589 | . . 3 ⊢ 1 ∈ ℂ | |
4 | 2, 3 | addcli 10641 | . 2 ⊢ (2 + 1) ∈ ℂ |
5 | 1, 4 | eqeltri 2909 | 1 ⊢ 3 ∈ ℂ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2110 (class class class)co 7150 ℂcc 10529 1c1 10532 + caddc 10534 2c2 11686 3c3 11687 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-ext 2793 ax-1cn 10589 ax-addcl 10591 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1777 df-cleq 2814 df-clel 2893 df-2 11694 df-3 11695 |
This theorem is referenced by: 3ex 11713 4cn 11716 4m1e3 11760 3p2e5 11782 3p3e6 11783 4p4e8 11786 5p4e9 11789 3t1e3 11796 3t2e6 11797 3t3e9 11798 8th4div3 11851 halfpm6th 11852 6p4e10 12164 9t8e72 12220 halfthird 12235 sq3 13555 expnass 13564 fac3 13634 sqrlem7 14602 caurcvgr 15024 bpoly2 15405 bpoly3 15406 bpoly4 15407 ef01bndlem 15531 sin01bnd 15532 cos01bnd 15533 cos1bnd 15534 cos2bnd 15535 cos01gt0 15538 rpnnen2lem3 15563 rpnnen2lem11 15571 3dvdsdec 15675 3dvds2dec 15676 3lcm2e6woprm 15953 prmo3 16371 2exp6 16416 2exp16 16418 7prm 16438 13prm 16443 17prm 16444 19prm 16445 37prm 16448 43prm 16449 83prm 16450 139prm 16451 163prm 16452 317prm 16453 631prm 16454 1259lem1 16458 1259lem2 16459 1259lem3 16460 1259lem4 16461 1259lem5 16462 1259prm 16463 2503lem1 16464 2503lem2 16465 2503lem3 16466 2503prm 16467 4001lem1 16468 4001lem2 16469 4001lem3 16470 4001lem4 16471 4001prm 16472 tangtx 25085 sincos6thpi 25095 sincos3rdpi 25096 pigt3 25097 pige3ALT 25099 2logb9irrALT 25370 ang180lem2 25382 1cubr 25414 dcubic1lem 25415 dcubic2 25416 dcubic1 25417 dcubic 25418 mcubic 25419 cubic2 25420 cubic 25421 binom4 25422 quart1cl 25426 quart1lem 25427 quart1 25428 quartlem1 25429 quartlem3 25431 log2cnv 25516 log2tlbnd 25517 log2ublem2 25519 log2ublem3 25520 log2ub 25521 basellem5 25656 basellem8 25659 basellem9 25660 cht3 25744 ppiub 25774 chtub 25782 bclbnd 25850 bposlem6 25859 bposlem8 25861 bposlem9 25862 lgsdir2lem1 25895 lgsdir2lem5 25899 2lgslem3b 25967 2lgslem3d 25969 2lgsoddprmlem3c 25982 2lgsoddprmlem3d 25983 addsqnreup 26013 pntibndlem1 26159 pntlemk 26176 ex-opab 28205 ex-exp 28223 ex-dvds 28229 ex-gcd 28230 ex-lcm 28231 ex-prmo 28232 ex-ind-dvds 28234 fib5 31658 fib6 31659 hgt750lem 31917 hgt750lem2 31918 hgt750leme 31924 problem4 32906 problem5 32907 sinccvglem 32910 mblfinlem3 34925 itg2addnclem2 34938 itg2addnclem3 34939 heiborlem6 35088 heiborlem7 35089 235t711 39170 ex-decpmul 39171 cu3addd 39270 3cubeslem3l 39276 3cubeslem3r 39277 jm2.23 39586 inductionexd 40498 lhe4.4ex1a 40654 stoweidlem13 42292 stoweidlem26 42305 stoweidlem34 42313 wallispilem4 42347 wallispi2lem1 42350 fmtno5lem1 43709 fmtno5lem2 43710 257prm 43717 fmtno4prmfac 43728 fmtno4nprmfac193 43730 139prmALT 43753 127prm 43757 mod42tp1mod8 43761 3exp4mod41 43775 41prothprmlem2 43777 6even 43870 11t31e341 43891 2exp340mod341 43892 gbpart8 43927 sbgoldbwt 43936 sbgoldbst 43937 evengpop3 43957 evengpoap3 43958 nnsum4primeseven 43959 nnsum4primesevenALTV 43960 2t6m3t4e0 44390 linevalexample 44444 zlmodzxzequa 44545 zlmodzxzequap 44548 |
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