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Theorem 0lepnf 10024
Description: 0 less than or equal to positive infinity. (Contributed by David A. Wheeler, 8-Dec-2018.)
Assertion
Ref Expression
0lepnf 0 ≤ +∞

Proof of Theorem 0lepnf
StepHypRef Expression
1 0xr 8225 . 2 0 ∈ ℝ*
2 pnfge 10023 . 2 (0 ∈ ℝ* → 0 ≤ +∞)
31, 2ax-mp 5 1 0 ≤ +∞
Colors of variables: wff set class
Syntax hints:  wcel 2202   class class class wbr 4088  0cc0 8031  +∞cpnf 8210  *cxr 8212  cle 8214
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-in1 619  ax-in2 620  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-13 2204  ax-14 2205  ax-ext 2213  ax-sep 4207  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-cnex 8122  ax-resscn 8123  ax-1re 8125  ax-addrcl 8128  ax-rnegex 8140
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-nel 2498  df-ral 2515  df-rex 2516  df-rab 2519  df-v 2804  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-br 4089  df-opab 4151  df-xp 4731  df-cnv 4733  df-pnf 8215  df-mnf 8216  df-xr 8217  df-ltxr 8218  df-le 8219
This theorem is referenced by:  nn0pnfge0  10025  xsubge0  10115  pcge0  12885
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