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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 9061 | . 2 ⊢ 5 ∈ ℝ | |
2 | 1 | recni 8031 | 1 ⊢ 5 ∈ ℂ |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 2164 ℂcc 7870 5c5 9036 |
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 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-11 1517 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2175 ax-resscn 7964 ax-1re 7966 ax-addrcl 7969 |
This theorem depends on definitions: df-bi 117 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-in 3159 df-ss 3166 df-2 9041 df-3 9042 df-4 9043 df-5 9044 |
This theorem is referenced by: 6m1e5 9105 5p2e7 9128 5p3e8 9129 5p4e9 9130 5p5e10 9518 5t2e10 9547 5recm6rec 9591 ef01bndlem 11899 lgsdir2lem1 15144 2lgsoddprmlem3d 15198 ex-fac 15220 |
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