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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 9989 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | recnd 8298 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2203 ℂcc 8121 ℝ+crp 9982 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 ax-resscn 8215 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-rab 2529 df-in 3216 df-ss 3223 df-rp 9983 |
| This theorem is referenced by: rpcnne0 10002 rpcnap0 10003 divge1 10052 sqrtdiv 11720 efgt1p2 12374 efgt1p 12375 pilem1 15631 rpcxp0 15750 rpcxp1 15751 cxprec 15762 rplogbval 15797 rprelogbdiv 15809 |
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