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Theorem ltpnfd 10162
Description: Any (finite) real is less than plus infinity. (Contributed by Glauco Siliprandi, 11-Dec-2019.)
Hypothesis
Ref Expression
ltpnfd.a (𝜑𝐴 ∈ ℝ)
Assertion
Ref Expression
ltpnfd (𝜑𝐴 < +∞)

Proof of Theorem ltpnfd
StepHypRef Expression
1 ltpnfd.a . 2 (𝜑𝐴 ∈ ℝ)
2 ltpnf 10161 . 2 (𝐴 ∈ ℝ → 𝐴 < +∞)
31, 2syl 14 1 (𝜑𝐴 < +∞)
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2209   class class class wbr 4125  cr 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
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