| 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 10161 | . 2 ⊢ (𝐴 ∈ ℝ → 𝐴 < +∞) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 𝐴 < +∞) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2209 class class class wbr 4125 ℝcr 8168 +∞cpnf 8347 < clt 8350 |
| 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-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-cnex 8260 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-xp 4775 df-pnf 8352 df-xr 8354 df-ltxr 8355 |
| This theorem is referenced by: xnn0dcle 10183 xqltnle 10680 fprodge1 12384 pcadd 13097 repiecelem 16979 repiecele0 16980 repiecege0 16981 |
| Copyright terms: Public domain | W3C validator |