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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 10032 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8304 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2205 ℂcc 8127 ℝ+crp 9989 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 ax-resscn 8221 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-rab 2531 df-in 3219 df-ss 3226 df-rp 9990 |
| This theorem is referenced by: rpcnne0d 10042 ltaddrp2d 10067 iccf1o 10341 bcp1nk 11128 bcpasc 11132 bcm1n 11135 cvg1nlemcxze 11671 cvg1nlemres 11674 resqrexlemdec 11700 resqrexlemlo 11702 resqrexlemcalc2 11704 resqrexlemcalc3 11705 resqrexlemnm 11707 resqrexlemcvg 11708 resqrexlemoverl 11710 sqrtdiv 11731 absdivap 11759 bdtrilem 11928 isumrpcl 12184 expcnvap0 12192 absgtap 12200 cvgratz 12222 mertenslemi1 12225 effsumlt 12382 bitsmod 12646 pythagtriplem12 12977 pythagtriplem14 12979 pythagtriplem16 12981 limcimolemlt 15546 rpdivcxp 15793 rpcxple2 15800 rpcxplt2 15801 rpcxpsqrt 15804 rpabscxpbnd 15822 logbgcd1irr 15849 iooref1o 16835 trilpolemclim 16837 trilpolemisumle 16839 trilpolemeq1 16841 trilpolemlt1 16842 |
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