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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 9853 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8136 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2178 ℂcc 7958 ℝ+crp 9810 |
| 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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-ext 2189 ax-resscn 8052 |
| This theorem depends on definitions: df-bi 117 df-nf 1485 df-sb 1787 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-rab 2495 df-in 3180 df-ss 3187 df-rp 9811 |
| This theorem is referenced by: rpcnne0d 9863 ltaddrp2d 9888 iccf1o 10161 bcp1nk 10944 bcpasc 10948 cvg1nlemcxze 11408 cvg1nlemres 11411 resqrexlemdec 11437 resqrexlemlo 11439 resqrexlemcalc2 11441 resqrexlemcalc3 11442 resqrexlemnm 11444 resqrexlemcvg 11445 resqrexlemoverl 11447 sqrtdiv 11468 absdivap 11496 bdtrilem 11665 isumrpcl 11920 expcnvap0 11928 absgtap 11936 cvgratz 11958 mertenslemi1 11961 effsumlt 12118 bitsmod 12382 pythagtriplem12 12713 pythagtriplem14 12715 pythagtriplem16 12717 limcimolemlt 15251 rpdivcxp 15498 rpcxple2 15505 rpcxplt2 15506 rpcxpsqrt 15509 rpabscxpbnd 15527 logbgcd1irr 15554 iooref1o 16175 trilpolemclim 16177 trilpolemisumle 16179 trilpolemeq1 16181 trilpolemlt1 16182 |
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