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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 9215 | . 2 ⊢ 5 ∈ ℝ | |
| 2 | 1 | recni 8184 | 1 ⊢ 5 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 ℂcc 8023 5c5 9190 |
| 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 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-11 1552 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 ax-resscn 8117 ax-1re 8119 ax-addrcl 8122 |
| This theorem depends on definitions: df-bi 117 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-in 3204 df-ss 3211 df-2 9195 df-3 9196 df-4 9197 df-5 9198 |
| This theorem is referenced by: 6m1e5 9259 5p2e7 9283 5p3e8 9284 5p4e9 9285 5p5e10 9674 5t2e10 9703 5recm6rec 9747 ef01bndlem 12310 5ndvds3 12488 5ndvds6 12489 dec5dvds 12978 dec5nprm 12980 2exp11 13002 2exp16 13003 lgsdir2lem1 15750 2lgslem3c 15817 2lgsoddprmlem3d 15832 ex-fac 16274 |
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