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| Mirrors > Home > MPE Home > Th. List > 6cn | Structured version Visualization version GIF version | ||
| Description: The number 6 is a complex number. (Contributed by David A. Wheeler, 8-Dec-2018.) Reduce dependencies on axioms. (Revised by Steven Nguyen, 4-Oct-2022.) |
| Ref | Expression |
|---|---|
| 6cn | ⊢ 6 ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-6 12210 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5cn 12231 | . . 3 ⊢ 5 ∈ ℂ | |
| 3 | ax-1cn 11082 | . . 3 ⊢ 1 ∈ ℂ | |
| 4 | 2, 3 | addcli 11136 | . 2 ⊢ (5 + 1) ∈ ℂ |
| 5 | 1, 4 | eqeltri 2830 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 (class class class)co 7356 ℂcc 11022 1c1 11025 + caddc 11027 5c5 12201 6c6 12202 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2706 ax-1cn 11082 ax-addcl 11084 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-cleq 2726 df-clel 2809 df-2 12206 df-3 12207 df-4 12208 df-5 12209 df-6 12210 |
| This theorem is referenced by: 7cn 12237 7m1e6 12270 6p2e8 12297 6p3e9 12298 halfpm6th 12361 6p4e10 12677 6t2e12 12709 6t3e18 12710 6t5e30 12712 5recm6rec 12748 bpoly2 15978 bpoly3 15979 bpoly4 15980 efi4p 16060 ef01bndlem 16107 cos01bnd 16109 3lcm2e6woprm 16540 6lcm4e12 16541 2exp8 17014 2exp11 17015 2exp16 17016 19prm 17043 83prm 17048 163prm 17050 317prm 17051 631prm 17052 1259lem1 17056 1259lem2 17057 1259lem3 17058 1259lem4 17059 1259lem5 17060 2503lem1 17062 2503lem2 17063 2503lem3 17064 2503prm 17065 4001lem1 17066 4001lem2 17067 4001lem4 17069 4001prm 17070 sincos6thpi 26479 sincos3rdpi 26480 1cubrlem 26805 log2ublem3 26912 log2ub 26913 basellem5 27049 basellem8 27052 ppiub 27169 bclbnd 27245 bposlem8 27256 bposlem9 27257 2lgslem3d 27364 2lgsoddprmlem3d 27378 ex-exp 30474 ex-bc 30476 ex-gcd 30481 ex-lcm 30482 hgt750lemd 34754 hgt750lem2 34758 problem5 35812 60gcd6e6 42197 60lcm7e420 42203 3exp7 42246 3lexlogpow5ineq1 42247 3lexlogpow5ineq5 42253 aks4d1p1p5 42268 aks4d1p1 42269 sq6 42492 lhe4.4ex1a 44512 wallispi2lem2 46258 fmtno5lem1 47741 fmtno5lem4 47744 fmtno5 47745 fmtno4prmfac 47760 fmtno5faclem2 47768 fmtno5faclem3 47769 fmtno5fac 47770 flsqrt5 47782 139prmALT 47784 127prm 47787 mod42tp1mod8 47790 2t6m3t4e0 48536 zlmodzxzequa 48684 zlmodzxzequap 48687 |
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