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Mirrors > Home > ILE Home > Th. List > 3simpb | Unicode version |
Description: Simplification of triple conjunction. (Contributed by NM, 21-Apr-1994.) |
Ref | Expression |
---|---|
3simpb |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3ancomb 893 | . 2 | |
2 | 3simpa 901 | . 2 | |
3 | 1, 2 | sylbi 114 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 w3a 885 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 |
This theorem depends on definitions: df-bi 110 df-3an 887 |
This theorem is referenced by: 3adant2 923 3adantl2 1061 3adantr2 1064 enq0tr 6532 ixxssixx 8771 qbtwnzlemshrink 9104 rebtwn2zlemshrink 9108 |
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