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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 9999 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | recnd 8307 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2205 ℂcc 8130 ℝ+crp 9992 |
| 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 2216 ax-resscn 8224 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-rab 2531 df-in 3219 df-ss 3226 df-rp 9993 |
| This theorem is referenced by: rpcnne0 10012 rpcnap0 10013 divge1 10062 sqrtdiv 11735 efgt1p2 12389 efgt1p 12390 pilem1 15693 rpcxp0 15812 rpcxp1 15813 cxprec 15824 rplogbval 15859 rprelogbdiv 15871 |
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