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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 10099 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8354 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 ℂcc 8177 ℝ+crp 10056 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-resscn 8271 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rab 2537 df-in 3226 df-ss 3233 df-rp 10057 |
| This theorem is used by: rpcnne0d 10109 ltaddrp2d 10134 iccf1o 10409 bcp1nk 11202 bcpasc 11206 bcm1n 11209 cvg1nlemcxze 11750 cvg1nlemres 11753 resqrexlemdec 11779 resqrexlemlo 11781 resqrexlemcalc2 11783 resqrexlemcalc3 11784 resqrexlemnm 11786 resqrexlemcvg 11787 resqrexlemoverl 11789 sqrtdiv 11810 absdivap 11838 bdtrilem 12007 isumrpcl 12263 expcnvap0 12271 absgtap 12279 cvgratz 12301 mertenslemi1 12304 effsumlt 12461 bitsmod 12725 pythagtriplem12 13056 pythagtriplem14 13058 pythagtriplem16 13060 limcimolemlt 15767 logfac 16001 rpdivcxp 16019 rpcxple2 16026 rpcxplt2 16027 rpcxpsqrt 16030 rpabscxpbnd 16048 logbgcd1irr 16075 bclbnd 16127 iooref1o 17095 trilpolemclim 17097 trilpolemisumle 17099 trilpolemeq1 17101 trilpolemlt1 17102 |
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