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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 9936 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8213 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2201 ℂcc 8035 ℝ+crp 9893 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2212 ax-resscn 8129 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1810 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-rab 2518 df-in 3205 df-ss 3212 df-rp 9894 |
| This theorem is referenced by: rpcnne0d 9946 ltaddrp2d 9971 iccf1o 10244 bcp1nk 11030 bcpasc 11034 cvg1nlemcxze 11565 cvg1nlemres 11568 resqrexlemdec 11594 resqrexlemlo 11596 resqrexlemcalc2 11598 resqrexlemcalc3 11599 resqrexlemnm 11601 resqrexlemcvg 11602 resqrexlemoverl 11604 sqrtdiv 11625 absdivap 11653 bdtrilem 11822 isumrpcl 12078 expcnvap0 12086 absgtap 12094 cvgratz 12116 mertenslemi1 12119 effsumlt 12276 bitsmod 12540 pythagtriplem12 12871 pythagtriplem14 12873 pythagtriplem16 12875 limcimolemlt 15417 rpdivcxp 15664 rpcxple2 15671 rpcxplt2 15672 rpcxpsqrt 15675 rpabscxpbnd 15693 logbgcd1irr 15720 iooref1o 16705 trilpolemclim 16707 trilpolemisumle 16709 trilpolemeq1 16711 trilpolemlt1 16712 |
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