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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 10025 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8298 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2203 ℂcc 8121 ℝ+crp 9982 |
| 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 2214 ax-resscn 8215 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-rab 2529 df-in 3216 df-ss 3223 df-rp 9983 |
| This theorem is referenced by: rpcnne0d 10035 ltaddrp2d 10060 iccf1o 10334 bcp1nk 11120 bcpasc 11124 cvg1nlemcxze 11660 cvg1nlemres 11663 resqrexlemdec 11689 resqrexlemlo 11691 resqrexlemcalc2 11693 resqrexlemcalc3 11694 resqrexlemnm 11696 resqrexlemcvg 11697 resqrexlemoverl 11699 sqrtdiv 11720 absdivap 11748 bdtrilem 11917 isumrpcl 12173 expcnvap0 12181 absgtap 12189 cvgratz 12211 mertenslemi1 12214 effsumlt 12371 bitsmod 12635 pythagtriplem12 12966 pythagtriplem14 12968 pythagtriplem16 12970 limcimolemlt 15516 rpdivcxp 15763 rpcxple2 15770 rpcxplt2 15771 rpcxpsqrt 15774 rpabscxpbnd 15792 logbgcd1irr 15819 iooref1o 16805 trilpolemclim 16807 trilpolemisumle 16809 trilpolemeq1 16811 trilpolemlt1 16812 |
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