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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 10108 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8355 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 ℂcc 8178 ℝ+crp 10065 |
| 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 8272 |
| 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 10066 |
| This theorem is used by: rpcnne0d 10118 ltaddrp2d 10143 iccf1o 10418 bcp1nk 11216 bcpasc 11220 bcm1n 11223 cvg1nlemcxze 11764 cvg1nlemres 11767 resqrexlemdec 11793 resqrexlemlo 11795 resqrexlemcalc2 11797 resqrexlemcalc3 11798 resqrexlemnm 11800 resqrexlemcvg 11801 resqrexlemoverl 11803 sqrtdiv 11824 absdivap 11852 bdtrilem 12024 isumrpcl 12280 expcnvap0 12288 absgtap 12296 cvgratz 12318 mertenslemi1 12321 effsumlt 12478 bitsmod 12742 pythagtriplem12 13077 pythagtriplem14 13079 pythagtriplem16 13081 limcimolemlt 15856 logfac 16092 rpdivcxp 16110 rpcxple2 16119 rpcxplt2 16120 rpcxpsqrt 16123 rpabscxpbnd 16141 efnthr 16142 logbgcd1irr 16169 bclbnd 16273 bposlem9 16285 iooref1o 17254 trilpolemclim 17257 trilpolemisumle 17259 trilpolemeq1 17261 trilpolemlt1 17262 |
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