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| Mirrors > Home > ILE Home > Th. List > 5cn | GIF version | ||
| Description: The number 5 is complex. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 5cn | ⊢ 5 ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 5re 9088 | . 2 ⊢ 5 ∈ ℝ | |
| 2 | 1 | recni 8057 | 1 ⊢ 5 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2167 ℂcc 7896 5c5 9063 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-11 1520 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 ax-resscn 7990 ax-1re 7992 ax-addrcl 7995 |
| This theorem depends on definitions: df-bi 117 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-in 3163 df-ss 3170 df-2 9068 df-3 9069 df-4 9070 df-5 9071 |
| This theorem is referenced by: 6m1e5 9132 5p2e7 9156 5p3e8 9157 5p4e9 9158 5p5e10 9546 5t2e10 9575 5recm6rec 9619 ef01bndlem 11940 5ndvds3 12118 5ndvds6 12119 dec5dvds 12608 dec5nprm 12610 2exp11 12632 2exp16 12633 lgsdir2lem1 15355 2lgslem3c 15422 2lgsoddprmlem3d 15437 ex-fac 15460 |
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