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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 12307 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5cn 12329 | . . 3 ⊢ 5 ∈ ℂ | |
| 3 | ax-1cn 11158 | . . 3 ⊢ 1 ∈ ℂ | |
| 4 | 2, 3 | addcli 11215 | . 2 ⊢ (5 + 1) ∈ ℂ |
| 5 | 1, 4 | eqeltri 2865 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2149 (class class class)co 7411 ℂcc 11098 1c1 11101 + caddc 11103 5c5 12298 6c6 12299 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-1cn 11158 ax-addcl 11160 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1807 df-cleq 2761 df-clel 2844 df-2 12303 df-3 12304 df-4 12305 df-5 12306 df-6 12307 |
| This theorem is referenced by: 7cn 12335 7m1e6 12372 6p2e8 12399 6p3e9 12400 halfpm6th 12466 6p4e10 12788 6t2e12 12820 6t3e18 12821 6t5e30 12823 5recm6rec 12861 bpoly2 16111 bpoly3 16112 bpoly4 16113 efi4p 16193 ef01bndlem 16240 cos01bnd 16242 3lcm2e6woprm 16673 6lcm4e12 16674 2exp8 17148 2exp11 17149 2exp16 17150 19prm 17178 83prm 17183 163prm 17185 317prm 17186 631prm 17187 1259lem1 17191 1259lem2 17192 1259lem3 17193 1259lem4 17194 1259lem5 17195 2503lem1 17197 2503lem2 17198 2503lem3 17199 2503prm 17200 4001lem1 17201 4001lem2 17202 4001lem4 17204 4001prm 17205 sincos6thpi 26647 sincos3rdpi 26648 1cubrlem 26972 log2ublem3 27079 log2ub 27080 basellem5 27215 basellem8 27218 ppiub 27334 bclbnd 27410 bposlem8 27421 bposlem9 27422 2lgslem3d 27529 2lgsoddprmlem3d 27543 ex-exp 30742 ex-bc 30744 ex-gcd 30749 ex-lcm 30750 hgt750lemd 34980 hgt750lem2 34984 problem5 36094 60gcd6e6 42695 60lcm7e420 42701 3exp7 42744 3lexlogpow5ineq1 42745 3lexlogpow5ineq5 42751 aks4d1p1p5 42766 aks4d1p1 42767 25or6to4 42897 sq6 42980 lhe4.4ex1a 44965 wallispi2lem2 46712 sin5tlem1 47533 sin5tlem4 47536 sin5tlem5 47537 fmtno5lem1 48228 fmtno5lem4 48231 fmtno5 48232 fmtno4prmfac 48247 fmtno5faclem2 48255 fmtno5faclem3 48256 fmtno5fac 48257 flsqrt5 48269 139prmALT 48271 127prm 48274 mod42tp1mod8 48277 2t6m3t4e0 49047 zlmodzxzequa 49195 zlmodzxzequap 49198 |
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