| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > ltpnfd | GIF version | ||
| Description: Any (finite) real is less than plus infinity. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
| Ref | Expression |
|---|---|
| ltpnfd.a | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| Ref | Expression |
|---|---|
| ltpnfd | ⊢ (𝜑 → 𝐴 < +∞) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltpnfd.a | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 2 | ltpnf 10113 | . 2 ⊢ (𝐴 ∈ ℝ → 𝐴 < +∞) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 𝐴 < +∞) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2203 class class class wbr 4109 ℝcr 8126 +∞cpnf 8305 < clt 8308 |
| 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-13 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 ax-cnex 8218 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-v 2815 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-opab 4172 df-xp 4755 df-pnf 8310 df-xr 8312 df-ltxr 8313 |
| This theorem is referenced by: xnn0dcle 10135 xqltnle 10627 fprodge1 12325 pcadd 13038 repiecelem 16809 repiecele0 16810 repiecege0 16811 |
| Copyright terms: Public domain | W3C validator |