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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 12212 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5cn 12233 | . . 3 ⊢ 5 ∈ ℂ | |
| 3 | ax-1cn 11084 | . . 3 ⊢ 1 ∈ ℂ | |
| 4 | 2, 3 | addcli 11138 | . 2 ⊢ (5 + 1) ∈ ℂ |
| 5 | 1, 4 | eqeltri 2832 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 (class class class)co 7358 ℂcc 11024 1c1 11027 + caddc 11029 5c5 12203 6c6 12204 |
| 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 2708 ax-1cn 11084 ax-addcl 11086 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-cleq 2728 df-clel 2811 df-2 12208 df-3 12209 df-4 12210 df-5 12211 df-6 12212 |
| This theorem is referenced by: 7cn 12239 7m1e6 12272 6p2e8 12299 6p3e9 12300 halfpm6th 12363 6p4e10 12679 6t2e12 12711 6t3e18 12712 6t5e30 12714 5recm6rec 12750 bpoly2 15980 bpoly3 15981 bpoly4 15982 efi4p 16062 ef01bndlem 16109 cos01bnd 16111 3lcm2e6woprm 16542 6lcm4e12 16543 2exp8 17016 2exp11 17017 2exp16 17018 19prm 17045 83prm 17050 163prm 17052 317prm 17053 631prm 17054 1259lem1 17058 1259lem2 17059 1259lem3 17060 1259lem4 17061 1259lem5 17062 2503lem1 17064 2503lem2 17065 2503lem3 17066 2503prm 17067 4001lem1 17068 4001lem2 17069 4001lem4 17071 4001prm 17072 sincos6thpi 26481 sincos3rdpi 26482 1cubrlem 26807 log2ublem3 26914 log2ub 26915 basellem5 27051 basellem8 27054 ppiub 27171 bclbnd 27247 bposlem8 27258 bposlem9 27259 2lgslem3d 27366 2lgsoddprmlem3d 27380 ex-exp 30525 ex-bc 30527 ex-gcd 30532 ex-lcm 30533 hgt750lemd 34805 hgt750lem2 34809 problem5 35863 60gcd6e6 42268 60lcm7e420 42274 3exp7 42317 3lexlogpow5ineq1 42318 3lexlogpow5ineq5 42324 aks4d1p1p5 42339 aks4d1p1 42340 sq6 42560 lhe4.4ex1a 44580 wallispi2lem2 46326 fmtno5lem1 47809 fmtno5lem4 47812 fmtno5 47813 fmtno4prmfac 47828 fmtno5faclem2 47836 fmtno5faclem3 47837 fmtno5fac 47838 flsqrt5 47850 139prmALT 47852 127prm 47855 mod42tp1mod8 47858 2t6m3t4e0 48604 zlmodzxzequa 48752 zlmodzxzequap 48755 |
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