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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 9924 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8201 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 ℂcc 8023 ℝ+crp 9881 |
| 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 8117 |
| 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 3204 df-ss 3211 df-rp 9882 |
| This theorem is referenced by: rpcnne0d 9934 ltaddrp2d 9959 iccf1o 10232 bcp1nk 11017 bcpasc 11021 cvg1nlemcxze 11536 cvg1nlemres 11539 resqrexlemdec 11565 resqrexlemlo 11567 resqrexlemcalc2 11569 resqrexlemcalc3 11570 resqrexlemnm 11572 resqrexlemcvg 11573 resqrexlemoverl 11575 sqrtdiv 11596 absdivap 11624 bdtrilem 11793 isumrpcl 12048 expcnvap0 12056 absgtap 12064 cvgratz 12086 mertenslemi1 12089 effsumlt 12246 bitsmod 12510 pythagtriplem12 12841 pythagtriplem14 12843 pythagtriplem16 12845 limcimolemlt 15381 rpdivcxp 15628 rpcxple2 15635 rpcxplt2 15636 rpcxpsqrt 15639 rpabscxpbnd 15657 logbgcd1irr 15684 iooref1o 16588 trilpolemclim 16590 trilpolemisumle 16592 trilpolemeq1 16594 trilpolemlt1 16595 |
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