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Mirrors > Home > ILE Home > Th. List > an6 | Unicode version |
Description: Rearrangement of 6 conjuncts. (Contributed by NM, 13-Mar-1995.) |
Ref | Expression |
---|---|
an6 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-3an 921 | . . . 4 | |
2 | df-3an 921 | . . . 4 | |
3 | 1, 2 | anbi12i 447 | . . 3 |
4 | an4 550 | . . 3 | |
5 | an4 550 | . . . 4 | |
6 | 5 | anbi1i 445 | . . 3 |
7 | 3, 4, 6 | 3bitri 204 | . 2 |
8 | df-3an 921 | . 2 | |
9 | 7, 8 | bitr4i 185 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 102 wb 103 w3a 919 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 |
This theorem depends on definitions: df-bi 115 df-3an 921 |
This theorem is referenced by: 3an6 1253 elfzuzb 9039 |
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