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Mirrors > Home > ILE Home > Th. List > 0ellim | Unicode version |
Description: A limit ordinal contains the empty set. (Contributed by NM, 15-May-1994.) |
Ref | Expression |
---|---|
0ellim |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dflim2 4107 | . 2 | |
2 | 1 | simp2bi 920 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1243 wcel 1393 c0 3224 cuni 3580 word 4099 wlim 4101 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 |
This theorem depends on definitions: df-bi 110 df-3an 887 df-ilim 4106 |
This theorem is referenced by: (None) |
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