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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 12242 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5cn 12263 | . . 3 ⊢ 5 ∈ ℂ | |
| 3 | ax-1cn 11090 | . . 3 ⊢ 1 ∈ ℂ | |
| 4 | 2, 3 | addcli 11145 | . 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 7361 ℂcc 11030 1c1 11033 + caddc 11035 5c5 12233 6c6 12234 |
| 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 11090 ax-addcl 11092 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-cleq 2729 df-clel 2812 df-2 12238 df-3 12239 df-4 12240 df-5 12241 df-6 12242 |
| This theorem is referenced by: 7cn 12269 7m1e6 12302 6p2e8 12329 6p3e9 12330 halfpm6th 12393 6p4e10 12710 6t2e12 12742 6t3e18 12743 6t5e30 12745 5recm6rec 12781 bpoly2 16016 bpoly3 16017 bpoly4 16018 efi4p 16098 ef01bndlem 16145 cos01bnd 16147 3lcm2e6woprm 16578 6lcm4e12 16579 2exp8 17053 2exp11 17054 2exp16 17055 19prm 17082 83prm 17087 163prm 17089 317prm 17090 631prm 17091 1259lem1 17095 1259lem2 17096 1259lem3 17097 1259lem4 17098 1259lem5 17099 2503lem1 17101 2503lem2 17102 2503lem3 17103 2503prm 17104 4001lem1 17105 4001lem2 17106 4001lem4 17108 4001prm 17109 sincos6thpi 26496 sincos3rdpi 26497 1cubrlem 26821 log2ublem3 26928 log2ub 26929 basellem5 27065 basellem8 27068 ppiub 27184 bclbnd 27260 bposlem8 27271 bposlem9 27272 2lgslem3d 27379 2lgsoddprmlem3d 27393 ex-exp 30538 ex-bc 30540 ex-gcd 30545 ex-lcm 30546 hgt750lemd 34811 hgt750lem2 34815 problem5 35870 60gcd6e6 42460 60lcm7e420 42466 3exp7 42509 3lexlogpow5ineq1 42510 3lexlogpow5ineq5 42516 aks4d1p1p5 42531 aks4d1p1 42532 sq6 42744 lhe4.4ex1a 44777 wallispi2lem2 46521 sin5tlem1 47340 sin5tlem4 47343 sin5tlem5 47344 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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