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Mirrors > Home > NFE Home > Th. List > 3simpb | Unicode version |
Description: Simplification of triple conjunction. (Contributed by NM, 21-Apr-1994.) |
Ref | Expression |
---|---|
3simpb |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3ancomb 943 |
. 2
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2 | 3simpa 952 |
. 2
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3 | 1, 2 | sylbi 187 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 177 df-an 360 df-3an 936 |
This theorem is referenced by: 3adant2 974 3adantl2 1112 3adantr2 1115 |
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