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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 12284 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5cn 12306 | . . 3 ⊢ 5 ∈ ℂ | |
| 3 | ax-1cn 11131 | . . 3 ⊢ 1 ∈ ℂ | |
| 4 | 2, 3 | addcli 11188 | . 2 ⊢ (5 + 1) ∈ ℂ |
| 5 | 1, 4 | eqeltri 2858 | 1 ⊢ 6 ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2142 (class class class)co 7396 ℂcc 11071 1c1 11074 + caddc 11076 5c5 12275 6c6 12276 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-ext 2734 ax-1cn 11131 ax-addcl 11133 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-ex 1800 df-cleq 2754 df-clel 2837 df-2 12280 df-3 12281 df-4 12282 df-5 12283 df-6 12284 |
| This theorem is referenced by: 7cn 12312 7m1e6 12349 6p2e8 12376 6p3e9 12377 halfpm6th 12443 6p4e10 12765 6t2e12 12797 6t3e18 12798 6t5e30 12800 5recm6rec 12838 bpoly2 16087 bpoly3 16088 bpoly4 16089 efi4p 16169 ef01bndlem 16216 cos01bnd 16218 3lcm2e6woprm 16649 6lcm4e12 16650 2exp8 17124 2exp11 17125 2exp16 17126 19prm 17154 83prm 17159 163prm 17161 317prm 17162 631prm 17163 1259lem1 17167 1259lem2 17168 1259lem3 17169 1259lem4 17170 1259lem5 17171 2503lem1 17173 2503lem2 17174 2503lem3 17175 2503prm 17176 4001lem1 17177 4001lem2 17178 4001lem4 17180 4001prm 17181 sincos6thpi 26581 sincos3rdpi 26582 1cubrlem 26906 log2ublem3 27013 log2ub 27014 basellem5 27149 basellem8 27152 ppiub 27268 bclbnd 27344 bposlem8 27355 bposlem9 27356 2lgslem3d 27463 2lgsoddprmlem3d 27477 ex-exp 30652 ex-bc 30654 ex-gcd 30659 ex-lcm 30660 hgt750lemd 34942 hgt750lem2 34946 problem5 36019 60gcd6e6 42621 60lcm7e420 42627 3exp7 42670 3lexlogpow5ineq1 42671 3lexlogpow5ineq5 42677 aks4d1p1p5 42692 aks4d1p1 42693 sq6 42904 lhe4.4ex1a 44905 wallispi2lem2 46646 sin5tlem1 47467 sin5tlem4 47470 sin5tlem5 47471 fmtno5lem1 48162 fmtno5lem4 48165 fmtno5 48166 fmtno4prmfac 48181 fmtno5faclem2 48189 fmtno5faclem3 48190 fmtno5fac 48191 flsqrt5 48203 139prmALT 48205 127prm 48208 mod42tp1mod8 48211 2t6m3t4e0 48970 zlmodzxzequa 49118 zlmodzxzequap 49121 |
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