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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 12248 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5cn 12269 | . . 3 ⊢ 5 ∈ ℂ | |
| 3 | ax-1cn 11096 | . . 3 ⊢ 1 ∈ ℂ | |
| 4 | 2, 3 | addcli 11151 | . 2 ⊢ (5 + 1) ∈ ℂ |
| 5 | 1, 4 | eqeltri 2832 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 (class class class)co 7367 ℂcc 11036 1c1 11039 + caddc 11041 5c5 12239 6c6 12240 |
| 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 2708 ax-1cn 11096 ax-addcl 11098 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-cleq 2728 df-clel 2811 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 |
| This theorem is referenced by: 7cn 12275 7m1e6 12308 6p2e8 12335 6p3e9 12336 halfpm6th 12399 6p4e10 12716 6t2e12 12748 6t3e18 12749 6t5e30 12751 5recm6rec 12787 bpoly2 16022 bpoly3 16023 bpoly4 16024 efi4p 16104 ef01bndlem 16151 cos01bnd 16153 3lcm2e6woprm 16584 6lcm4e12 16585 2exp8 17059 2exp11 17060 2exp16 17061 19prm 17088 83prm 17093 163prm 17095 317prm 17096 631prm 17097 1259lem1 17101 1259lem2 17102 1259lem3 17103 1259lem4 17104 1259lem5 17105 2503lem1 17107 2503lem2 17108 2503lem3 17109 2503prm 17110 4001lem1 17111 4001lem2 17112 4001lem4 17114 4001prm 17115 sincos6thpi 26480 sincos3rdpi 26481 1cubrlem 26805 log2ublem3 26912 log2ub 26913 basellem5 27048 basellem8 27051 ppiub 27167 bclbnd 27243 bposlem8 27254 bposlem9 27255 2lgslem3d 27362 2lgsoddprmlem3d 27376 ex-exp 30520 ex-bc 30522 ex-gcd 30527 ex-lcm 30528 hgt750lemd 34792 hgt750lem2 34796 problem5 35851 60gcd6e6 42443 60lcm7e420 42449 3exp7 42492 3lexlogpow5ineq1 42493 3lexlogpow5ineq5 42499 aks4d1p1p5 42514 aks4d1p1 42515 sq6 42727 lhe4.4ex1a 44756 wallispi2lem2 46500 sin5tlem1 47321 sin5tlem4 47324 sin5tlem5 47325 fmtno5lem1 48016 fmtno5lem4 48019 fmtno5 48020 fmtno4prmfac 48035 fmtno5faclem2 48043 fmtno5faclem3 48044 fmtno5fac 48045 flsqrt5 48057 139prmALT 48059 127prm 48062 mod42tp1mod8 48065 2t6m3t4e0 48824 zlmodzxzequa 48972 zlmodzxzequap 48975 |
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