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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 10044 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | rexrd 8369 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2209 ℝ*cxr 8353 ℝ+crp 10037 |
| 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rab 2537 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-xr 8358 df-rp 10038 |
| This theorem is referenced by: xrminrpcl 12023 blcntrps 15499 blcntr 15500 unirnblps 15506 unirnbl 15507 blssexps 15513 blssex 15514 blin2 15516 neibl 15575 blnei 15576 metss 15578 metss2lem 15581 bdmet 15586 bdmopn 15588 mopnex 15589 metrest 15590 xmettx 15594 metcnp3 15595 metcnp 15596 metcnpi3 15601 txmetcnp 15602 limcimolemlt 15748 |
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