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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 4348 | . 2 | |
2 | 1 | simp2bi 1003 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1343 wcel 2136 c0 3409 cuni 3789 word 4340 wlim 4342 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-ilim 4347 |
This theorem is referenced by: (None) |
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