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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 12254 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5cn 12275 | . . 3 ⊢ 5 ∈ ℂ | |
| 3 | ax-1cn 11132 | . . 3 ⊢ 1 ∈ ℂ | |
| 4 | 2, 3 | addcli 11186 | . 2 ⊢ (5 + 1) ∈ ℂ |
| 5 | 1, 4 | eqeltri 2825 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2109 (class class class)co 7389 ℂcc 11072 1c1 11075 + caddc 11077 5c5 12245 6c6 12246 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2702 ax-1cn 11132 ax-addcl 11134 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1780 df-cleq 2722 df-clel 2804 df-2 12250 df-3 12251 df-4 12252 df-5 12253 df-6 12254 |
| This theorem is referenced by: 7cn 12281 7m1e6 12319 6p2e8 12346 6p3e9 12347 halfpm6th 12410 6p4e10 12727 6t2e12 12759 6t3e18 12760 6t5e30 12762 5recm6rec 12798 bpoly2 16029 bpoly3 16030 bpoly4 16031 efi4p 16111 ef01bndlem 16158 cos01bnd 16160 3lcm2e6woprm 16591 6lcm4e12 16592 2exp8 17065 2exp11 17066 2exp16 17067 19prm 17094 83prm 17099 163prm 17101 317prm 17102 631prm 17103 1259lem1 17107 1259lem2 17108 1259lem3 17109 1259lem4 17110 1259lem5 17111 2503lem1 17113 2503lem2 17114 2503lem3 17115 2503prm 17116 4001lem1 17117 4001lem2 17118 4001lem4 17120 4001prm 17121 sincos6thpi 26431 sincos3rdpi 26432 1cubrlem 26757 log2ublem3 26864 log2ub 26865 basellem5 27001 basellem8 27004 ppiub 27121 bclbnd 27197 bposlem8 27208 bposlem9 27209 2lgslem3d 27316 2lgsoddprmlem3d 27330 ex-exp 30385 ex-bc 30387 ex-gcd 30392 ex-lcm 30393 hgt750lemd 34645 hgt750lem2 34649 problem5 35656 60gcd6e6 41987 60lcm7e420 41993 3exp7 42036 3lexlogpow5ineq1 42037 3lexlogpow5ineq5 42043 aks4d1p1p5 42058 aks4d1p1 42059 sq6 42278 lhe4.4ex1a 44311 wallispi2lem2 46063 fmtno5lem1 47544 fmtno5lem4 47547 fmtno5 47548 fmtno4prmfac 47563 fmtno5faclem2 47571 fmtno5faclem3 47572 fmtno5fac 47573 flsqrt5 47585 139prmALT 47587 127prm 47590 mod42tp1mod8 47593 2t6m3t4e0 48326 zlmodzxzequa 48475 zlmodzxzequap 48478 |
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