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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 9931 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 2 | recnd 8208 | 1 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2202 ℂcc 8030 ℝ+crp 9888 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 ax-resscn 8124 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rab 2519 df-in 3206 df-ss 3213 df-rp 9889 |
| This theorem is referenced by: rpcnne0d 9941 ltaddrp2d 9966 iccf1o 10239 bcp1nk 11025 bcpasc 11029 cvg1nlemcxze 11544 cvg1nlemres 11547 resqrexlemdec 11573 resqrexlemlo 11575 resqrexlemcalc2 11577 resqrexlemcalc3 11578 resqrexlemnm 11580 resqrexlemcvg 11581 resqrexlemoverl 11583 sqrtdiv 11604 absdivap 11632 bdtrilem 11801 isumrpcl 12057 expcnvap0 12065 absgtap 12073 cvgratz 12095 mertenslemi1 12098 effsumlt 12255 bitsmod 12519 pythagtriplem12 12850 pythagtriplem14 12852 pythagtriplem16 12854 limcimolemlt 15391 rpdivcxp 15638 rpcxple2 15645 rpcxplt2 15646 rpcxpsqrt 15649 rpabscxpbnd 15667 logbgcd1irr 15694 iooref1o 16659 trilpolemclim 16661 trilpolemisumle 16663 trilpolemeq1 16665 trilpolemlt1 16666 |
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