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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 12239 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5cn 12260 | . . 3 ⊢ 5 ∈ ℂ | |
| 3 | ax-1cn 11087 | . . 3 ⊢ 1 ∈ ℂ | |
| 4 | 2, 3 | addcli 11142 | . 2 ⊢ (5 + 1) ∈ ℂ |
| 5 | 1, 4 | eqeltri 2835 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2119 (class class class)co 7356 ℂcc 11027 1c1 11030 + caddc 11032 5c5 12230 6c6 12231 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 ax-1cn 11087 ax-addcl 11089 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-ex 1787 df-cleq 2731 df-clel 2814 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 |
| This theorem is referenced by: 7cn 12266 7m1e6 12299 6p2e8 12326 6p3e9 12327 halfpm6th 12390 6p4e10 12707 6t2e12 12739 6t3e18 12740 6t5e30 12742 5recm6rec 12778 bpoly2 16013 bpoly3 16014 bpoly4 16015 efi4p 16095 ef01bndlem 16142 cos01bnd 16144 3lcm2e6woprm 16575 6lcm4e12 16576 2exp8 17050 2exp11 17051 2exp16 17052 19prm 17079 83prm 17084 163prm 17086 317prm 17087 631prm 17088 1259lem1 17092 1259lem2 17093 1259lem3 17094 1259lem4 17095 1259lem5 17096 2503lem1 17098 2503lem2 17099 2503lem3 17100 2503prm 17101 4001lem1 17102 4001lem2 17103 4001lem4 17105 4001prm 17106 sincos6thpi 26498 sincos3rdpi 26499 1cubrlem 26823 log2ublem3 26930 log2ub 26931 basellem5 27066 basellem8 27069 ppiub 27185 bclbnd 27261 bposlem8 27272 bposlem9 27273 2lgslem3d 27380 2lgsoddprmlem3d 27394 ex-exp 30538 ex-bc 30540 ex-gcd 30545 ex-lcm 30546 hgt750lemd 34832 hgt750lem2 34836 problem5 35897 60gcd6e6 42489 60lcm7e420 42495 3exp7 42538 3lexlogpow5ineq1 42539 3lexlogpow5ineq5 42545 aks4d1p1p5 42560 aks4d1p1 42561 sq6 42772 lhe4.4ex1a 44773 wallispi2lem2 46515 sin5tlem1 47336 sin5tlem4 47339 sin5tlem5 47340 fmtno5lem1 48031 fmtno5lem4 48034 fmtno5 48035 fmtno4prmfac 48050 fmtno5faclem2 48058 fmtno5faclem3 48059 fmtno5fac 48060 flsqrt5 48072 139prmALT 48074 127prm 48077 mod42tp1mod8 48080 2t6m3t4e0 48839 zlmodzxzequa 48987 zlmodzxzequap 48990 |
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