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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 12224 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5cn 12245 | . . 3 ⊢ 5 ∈ ℂ | |
| 3 | ax-1cn 11096 | . . 3 ⊢ 1 ∈ ℂ | |
| 4 | 2, 3 | addcli 11150 | . 2 ⊢ (5 + 1) ∈ ℂ |
| 5 | 1, 4 | eqeltri 2833 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 (class class class)co 7368 ℂcc 11036 1c1 11039 + caddc 11041 5c5 12215 6c6 12216 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-1cn 11096 ax-addcl 11098 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-cleq 2729 df-clel 2812 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-6 12224 |
| This theorem is referenced by: 7cn 12251 7m1e6 12284 6p2e8 12311 6p3e9 12312 halfpm6th 12375 6p4e10 12691 6t2e12 12723 6t3e18 12724 6t5e30 12726 5recm6rec 12762 bpoly2 15992 bpoly3 15993 bpoly4 15994 efi4p 16074 ef01bndlem 16121 cos01bnd 16123 3lcm2e6woprm 16554 6lcm4e12 16555 2exp8 17028 2exp11 17029 2exp16 17030 19prm 17057 83prm 17062 163prm 17064 317prm 17065 631prm 17066 1259lem1 17070 1259lem2 17071 1259lem3 17072 1259lem4 17073 1259lem5 17074 2503lem1 17076 2503lem2 17077 2503lem3 17078 2503prm 17079 4001lem1 17080 4001lem2 17081 4001lem4 17083 4001prm 17084 sincos6thpi 26496 sincos3rdpi 26497 1cubrlem 26822 log2ublem3 26929 log2ub 26930 basellem5 27066 basellem8 27069 ppiub 27186 bclbnd 27262 bposlem8 27273 bposlem9 27274 2lgslem3d 27381 2lgsoddprmlem3d 27395 ex-exp 30541 ex-bc 30543 ex-gcd 30548 ex-lcm 30549 hgt750lemd 34830 hgt750lem2 34834 problem5 35889 60gcd6e6 42378 60lcm7e420 42384 3exp7 42427 3lexlogpow5ineq1 42428 3lexlogpow5ineq5 42434 aks4d1p1p5 42449 aks4d1p1 42450 sq6 42669 lhe4.4ex1a 44689 wallispi2lem2 46434 fmtno5lem1 47917 fmtno5lem4 47920 fmtno5 47921 fmtno4prmfac 47936 fmtno5faclem2 47944 fmtno5faclem3 47945 fmtno5fac 47946 flsqrt5 47958 139prmALT 47960 127prm 47963 mod42tp1mod8 47966 2t6m3t4e0 48712 zlmodzxzequa 48860 zlmodzxzequap 48863 |
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