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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 10080 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8348 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2209 ℂcc 8171 ℝ+crp 10037 |
| 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 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 8265 |
| This theorem 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 10038 |
| This theorem is referenced by: rpcnne0d 10090 ltaddrp2d 10115 iccf1o 10390 bcp1nk 11183 bcpasc 11187 bcm1n 11190 cvg1nlemcxze 11731 cvg1nlemres 11734 resqrexlemdec 11760 resqrexlemlo 11762 resqrexlemcalc2 11764 resqrexlemcalc3 11765 resqrexlemnm 11767 resqrexlemcvg 11768 resqrexlemoverl 11770 sqrtdiv 11791 absdivap 11819 bdtrilem 11988 isumrpcl 12244 expcnvap0 12252 absgtap 12260 cvgratz 12282 mertenslemi1 12285 effsumlt 12442 bitsmod 12706 pythagtriplem12 13037 pythagtriplem14 13039 pythagtriplem16 13041 limcimolemlt 15748 logfac 15978 rpdivcxp 15996 rpcxple2 16003 rpcxplt2 16004 rpcxpsqrt 16007 rpabscxpbnd 16025 logbgcd1irr 16052 iooref1o 17057 trilpolemclim 17059 trilpolemisumle 17061 trilpolemeq1 17063 trilpolemlt1 17064 |
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