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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 9900 | . 2 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | rexrd 8234 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ*) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2201 ℝ*cxr 8218 ℝ+crp 9893 |
| 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 2212 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1810 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-rab 2518 df-v 2803 df-un 3203 df-in 3205 df-ss 3212 df-xr 8223 df-rp 9894 |
| This theorem is referenced by: xrminrpcl 11857 blcntrps 15168 blcntr 15169 unirnblps 15175 unirnbl 15176 blssexps 15182 blssex 15183 blin2 15185 neibl 15244 blnei 15245 metss 15247 metss2lem 15250 bdmet 15255 bdmopn 15257 mopnex 15258 metrest 15259 xmettx 15263 metcnp3 15264 metcnp 15265 metcnpi3 15270 txmetcnp 15271 limcimolemlt 15417 |
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