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| Mirrors > Home > ILE Home > Th. List > rpxr | GIF version | ||
| Description: A positive real is an extended real. (Contributed by Mario Carneiro, 21-Aug-2015.) |
| Ref | Expression |
|---|---|
| rpxr | ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ*) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpre 10014 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | rexrd 8339 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2205 ℝ*cxr 8323 ℝ+crp 10007 |
| 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 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-rab 2531 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-xr 8328 df-rp 10008 |
| This theorem is referenced by: xrminrpcl 11987 blcntrps 15409 blcntr 15410 unirnblps 15416 unirnbl 15417 blssexps 15423 blssex 15424 blin2 15426 neibl 15485 blnei 15486 metss 15488 metss2lem 15491 bdmet 15496 bdmopn 15498 mopnex 15499 metrest 15500 xmettx 15504 metcnp3 15505 metcnp 15506 metcnpi3 15511 txmetcnp 15512 limcimolemlt 15658 |
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