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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 10115 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8361 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 ℂcc 8184 ℝ+crp 10072 |
| 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 8278 |
| 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 10073 |
| This theorem is used by: rpcnne0d 10125 ltaddrp2d 10150 iccf1o 10425 bcp1nk 11223 bcpasc 11227 bcm1n 11230 cvg1nlemcxze 11771 cvg1nlemres 11774 resqrexlemdec 11800 resqrexlemlo 11802 resqrexlemcalc2 11804 resqrexlemcalc3 11805 resqrexlemnm 11807 resqrexlemcvg 11808 resqrexlemoverl 11810 sqrtdiv 11831 absdivap 11859 bdtrilem 12031 isumrpcl 12287 expcnvap0 12295 absgtap 12303 cvgratz 12325 mertenslemi1 12328 effsumlt 12485 bitsmod 12749 pythagtriplem12 13084 pythagtriplem14 13086 pythagtriplem16 13088 limcimolemlt 15902 logfac 16138 rpdivcxp 16156 rpcxple2 16165 rpcxplt2 16166 rpcxpsqrt 16169 rpabscxpbnd 16187 efnthr 16188 logbgcd1irr 16215 bclbnd 16319 bposlem9 16331 iooref1o 17301 trilpolemclim 17304 trilpolemisumle 17306 trilpolemeq1 17308 trilpolemlt1 17309 |
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