Theorem limord 4373

Description: A limit ordinal is ordinal. (Contributed by NM, 4-May-1995.)

Assertion

Ref	Expression
limord	|- ( Lim A -> Ord A )

Proof of Theorem limord

Step	Hyp	Ref	Expression
1		dflim2 4348	. 2 |- ( Lim A <-> ( Ord A /\ (/) e. A /\ A = U. A ) )
2	1	simp1bi 1002	1 |- ( Lim A -> Ord A )

Syntax hints:   -> wi 4   = wceq 1343   e. wcel 2136   (/)c0 3409   U.cuni 3789   Ord word 4340   Lim wlim 4342

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105

This theorem depends on definitions:  df-bi 116  df-3an 970  df-ilim 4347

This theorem is referenced by:  limelon  4377  nlimsucg  4543