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| Mirrors > Home > ILE Home > Th. List > rpcn | GIF version | ||
| Description: A positive real is a complex number. (Contributed by NM, 11-Nov-2008.) |
| Ref | Expression |
|---|---|
| rpcn | ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpre 9789 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | recnd 8108 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2177 ℂcc 7930 ℝ+crp 9782 |
| 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-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-ext 2188 ax-resscn 8024 |
| This theorem depends on definitions: df-bi 117 df-nf 1485 df-sb 1787 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-rab 2494 df-in 3173 df-ss 3180 df-rp 9783 |
| This theorem is referenced by: rpcnne0 9802 rpcnap0 9803 divge1 9852 sqrtdiv 11397 efgt1p2 12050 efgt1p 12051 pilem1 15295 rpcxp0 15414 rpcxp1 15415 cxprec 15426 rplogbval 15461 rprelogbdiv 15473 |
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