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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 9909 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8191 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 ℂcc 8013 ℝ+crp 9866 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 ax-resscn 8107 |
| This theorem depends on definitions: df-bi 117 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-rab 2517 df-in 3203 df-ss 3210 df-rp 9867 |
| This theorem is referenced by: rpcnne0d 9919 ltaddrp2d 9944 iccf1o 10217 bcp1nk 11001 bcpasc 11005 cvg1nlemcxze 11514 cvg1nlemres 11517 resqrexlemdec 11543 resqrexlemlo 11545 resqrexlemcalc2 11547 resqrexlemcalc3 11548 resqrexlemnm 11550 resqrexlemcvg 11551 resqrexlemoverl 11553 sqrtdiv 11574 absdivap 11602 bdtrilem 11771 isumrpcl 12026 expcnvap0 12034 absgtap 12042 cvgratz 12064 mertenslemi1 12067 effsumlt 12224 bitsmod 12488 pythagtriplem12 12819 pythagtriplem14 12821 pythagtriplem16 12823 limcimolemlt 15359 rpdivcxp 15606 rpcxple2 15613 rpcxplt2 15614 rpcxpsqrt 15617 rpabscxpbnd 15635 logbgcd1irr 15662 iooref1o 16516 trilpolemclim 16518 trilpolemisumle 16520 trilpolemeq1 16522 trilpolemlt1 16523 |
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