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Mirrors > Home > NFE Home > Th. List > simpr23 | Unicode version |
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.) |
Ref | Expression |
---|---|
simpr23 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp23 990 | . 2 | |
2 | 1 | adantl 452 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 358 w3a 934 |
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: (None) |
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