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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 11707 | . 2 ⊢ 6 = (5 + 1) | |
2 | 5cn 11728 | . . 3 ⊢ 5 ∈ ℂ | |
3 | ax-1cn 10597 | . . 3 ⊢ 1 ∈ ℂ | |
4 | 2, 3 | addcli 10649 | . 2 ⊢ (5 + 1) ∈ ℂ |
5 | 1, 4 | eqeltri 2911 | 1 ⊢ 6 ∈ ℂ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2114 (class class class)co 7158 ℂcc 10537 1c1 10540 + caddc 10542 5c5 11698 6c6 11699 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-ext 2795 ax-1cn 10597 ax-addcl 10599 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1781 df-cleq 2816 df-clel 2895 df-2 11703 df-3 11704 df-4 11705 df-5 11706 df-6 11707 |
This theorem is referenced by: 7cn 11734 7m1e6 11772 6p2e8 11799 6p3e9 11800 halfpm6th 11861 6p4e10 12173 6t2e12 12205 6t3e18 12206 6t5e30 12208 5recm6rec 12245 bpoly2 15413 bpoly3 15414 bpoly4 15415 efi4p 15492 ef01bndlem 15539 cos01bnd 15541 3lcm2e6woprm 15961 6lcm4e12 15962 2exp8 16425 2exp16 16426 19prm 16453 83prm 16458 163prm 16460 317prm 16461 631prm 16462 1259lem1 16466 1259lem2 16467 1259lem3 16468 1259lem4 16469 1259lem5 16470 2503lem1 16472 2503lem2 16473 2503lem3 16474 2503prm 16475 4001lem1 16476 4001lem2 16477 4001lem4 16479 4001prm 16480 sincos6thpi 25103 sincos3rdpi 25104 1cubrlem 25421 log2ublem3 25528 log2ub 25529 basellem5 25664 basellem8 25667 ppiub 25782 bclbnd 25858 bposlem8 25869 bposlem9 25870 2lgslem3d 25977 2lgsoddprmlem3d 25991 ex-exp 28231 ex-bc 28233 ex-gcd 28238 ex-lcm 28239 hgt750lemd 31921 hgt750lem2 31925 problem5 32914 lhe4.4ex1a 40668 wallispi2lem2 42364 fmtno5lem1 43722 fmtno5lem4 43725 fmtno5 43726 fmtno4prmfac 43741 fmtno5faclem2 43749 fmtno5faclem3 43750 fmtno5fac 43751 flsqrt5 43764 139prmALT 43766 127prm 43770 2exp11 43772 mod42tp1mod8 43774 2t6m3t4e0 44403 zlmodzxzequa 44558 zlmodzxzequap 44561 |
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