ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  limon Unicode version

Theorem limon 4611
Description: The class of ordinal numbers is a limit ordinal. (Contributed by NM, 24-Mar-1995.)
Assertion
Ref Expression
limon  |-  Lim  On

Proof of Theorem limon
StepHypRef Expression
1 ordon 4584 . 2  |-  Ord  On
2 0elon 4489 . 2  |-  (/)  e.  On
3 unon 4609 . . 3  |-  U. On  =  On
43eqcomi 2235 . 2  |-  On  =  U. On
5 dflim2 4467 . 2  |-  ( Lim 
On 
<->  ( Ord  On  /\  (/) 
e.  On  /\  On  =  U. On ) )
61, 2, 4, 5mpbir3an 1205 1  |-  Lim  On
Colors of variables: wff set class
Syntax hints:    = wceq 1397    e. wcel 2202   (/)c0 3494   U.cuni 3893   Ord word 4459   Oncon0 4460   Lim wlim 4461
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-nul 4215  ax-pow 4264  ax-pr 4299  ax-un 4530
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ral 2515  df-rex 2516  df-v 2804  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-nul 3495  df-pw 3654  df-sn 3675  df-pr 3676  df-uni 3894  df-tr 4188  df-iord 4463  df-on 4465  df-ilim 4466  df-suc 4468
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator