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Mirrors > Home > ILE Home > Th. List > simp11 | Unicode version |
Description: Simplification of doubly triple conjunction. (Contributed by NM, 17-Nov-2011.) |
Ref | Expression |
---|---|
simp11 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 982 | . 2 | |
2 | 1 | 3ad2ant1 1003 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 w3a 963 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 df-3an 965 |
This theorem is referenced by: simpl11 1057 simpr11 1066 simp111 1111 simp211 1120 simp311 1129 frecsuclem 6353 |
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