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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 12302 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5cn 12324 | . . 3 ⊢ 5 ∈ ℂ | |
| 3 | ax-1cn 11153 | . . 3 ⊢ 1 ∈ ℂ | |
| 4 | 2, 3 | addcli 11210 | . 2 ⊢ (5 + 1) ∈ ℂ |
| 5 | 1, 4 | eqeltri 2859 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2143 (class class class)co 7410 ℂcc 11093 1c1 11096 + caddc 11098 5c5 12293 6c6 12294 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-1cn 11153 ax-addcl 11155 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1810 df-cleq 2755 df-clel 2838 df-2 12298 df-3 12299 df-4 12300 df-5 12301 df-6 12302 |
| This theorem is referenced by: 7cn 12330 7m1e6 12367 6p2e8 12394 6p3e9 12395 8th4div3 12459 halfpm6th 12461 6p4e10 12783 6t2e12 12815 6t3e18 12816 6t5e30 12818 5recm6rec 12856 bpoly2 16106 bpoly3 16107 bpoly4 16108 efi4p 16188 ef01bndlem 16235 cos01bnd 16237 3lcm2e6woprm 16668 6lcm4e12 16669 2exp8 17143 2exp11 17144 2exp16 17145 19prm 17173 83prm 17178 163prm 17180 317prm 17181 631prm 17182 1259lem1 17186 1259lem2 17187 1259lem3 17188 1259lem4 17189 1259lem5 17190 2503lem1 17192 2503lem2 17193 2503lem3 17194 2503prm 17195 4001lem1 17196 4001lem2 17197 4001lem4 17199 4001prm 17200 sincos6thpi 26681 sincos3rdpi 26682 1cubrlem 27006 log2ublem3 27113 log2ub 27114 basellem5 27249 basellem8 27252 ppiub 27368 bclbnd 27444 bposlem8 27455 bposlem9 27456 2lgslem3d 27563 2lgsoddprmlem3d 27577 ex-exp 30801 ex-bc 30803 ex-gcd 30808 ex-lcm 30809 hgt750lemd 35035 hgt750lem2 35039 problem5 36161 60gcd6e6 42791 60lcm7e420 42797 3exp7 42840 3lexlogpow5ineq1 42841 3lexlogpow5ineq5 42847 aks4d1p1p5 42862 aks4d1p1 42863 25or6to4 42993 sq6 43076 lhe4.4ex1a 45059 wallispi2lem2 46806 sin5tlem1 47630 sin5tlem4 47633 sin5tlem5 47634 fmtno5lem1 48325 fmtno5lem4 48328 fmtno5 48329 fmtno4prmfac 48344 fmtno5faclem2 48352 fmtno5faclem3 48353 fmtno5fac 48354 flsqrt5 48366 139prmALT 48368 127prm 48371 mod42tp1mod8 48374 2t6m3t4e0 49148 zlmodzxzequa 49296 zlmodzxzequap 49299 |
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