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Mirrors > Home > ILE Home > Th. List > 6cn | GIF version |
Description: The number 6 is complex. (Contributed by David A. Wheeler, 8-Dec-2018.) |
Ref | Expression |
---|---|
6cn | ⊢ 6 ∈ ℂ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 6re 8825 | . 2 ⊢ 6 ∈ ℝ | |
2 | 1 | recni 7802 | 1 ⊢ 6 ∈ ℂ |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 1481 ℂcc 7642 6c6 8799 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-11 1485 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-resscn 7736 ax-1re 7738 ax-addrcl 7741 |
This theorem depends on definitions: df-bi 116 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-in 3082 df-ss 3089 df-2 8803 df-3 8804 df-4 8805 df-5 8806 df-6 8807 |
This theorem is referenced by: 7m1e6 8868 6p2e8 8893 6p3e9 8894 halfpm6th 8964 6p4e10 9277 6t2e12 9309 6t3e18 9310 6t5e30 9312 5recm6rec 9349 efi4p 11460 ef01bndlem 11499 cos01bnd 11501 3lcm2e6woprm 11803 6lcm4e12 11804 sincos6thpi 12971 sincos3rdpi 12972 ex-exp 13110 ex-bc 13112 ex-gcd 13114 |
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