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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 9989 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | rexrd 8319 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2203 ℝ*cxr 8303 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 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-rab 2529 df-v 2814 df-un 3214 df-in 3216 df-ss 3223 df-xr 8308 df-rp 9983 |
| This theorem is referenced by: xrminrpcl 11952 blcntrps 15267 blcntr 15268 unirnblps 15274 unirnbl 15275 blssexps 15281 blssex 15282 blin2 15284 neibl 15343 blnei 15344 metss 15346 metss2lem 15349 bdmet 15354 bdmopn 15356 mopnex 15357 metrest 15358 xmettx 15362 metcnp3 15363 metcnp 15364 metcnpi3 15369 txmetcnp 15370 limcimolemlt 15516 |
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