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Mirrors > Home > ILE Home > Th. List > rpcnd | GIF version |
Description: A positive real is a complex number. (Contributed by Mario Carneiro, 28-May-2016.) |
Ref | Expression |
---|---|
rpred.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
Ref | Expression |
---|---|
rpcnd | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rpred.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ+) | |
2 | 1 | rpred 9483 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
3 | 2 | recnd 7794 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 1480 ℂcc 7618 ℝ+crp 9441 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-resscn 7712 |
This theorem depends on definitions: df-bi 116 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-rab 2425 df-in 3077 df-ss 3084 df-rp 9442 |
This theorem is referenced by: rpcnne0d 9493 ltaddrp2d 9518 iccf1o 9787 bcp1nk 10508 bcpasc 10512 cvg1nlemcxze 10754 cvg1nlemres 10757 resqrexlemdec 10783 resqrexlemlo 10785 resqrexlemcalc2 10787 resqrexlemcalc3 10788 resqrexlemnm 10790 resqrexlemcvg 10791 resqrexlemoverl 10793 sqrtdiv 10814 absdivap 10842 bdtrilem 11010 isumrpcl 11263 expcnvap0 11271 absgtap 11279 cvgratz 11301 mertenslemi1 11304 effsumlt 11398 limcimolemlt 12802 trilpolemclim 13229 trilpolemisumle 13231 trilpolemeq1 13233 trilpolemlt1 13234 |
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