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Mirrors > Home > ILE Home > Th. List > alrot3 | Unicode version |
Description: Theorem *11.21 in [WhiteheadRussell] p. 160. (Contributed by Andrew Salmon, 24-May-2011.) |
Ref | Expression |
---|---|
alrot3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | alcom 1466 | . 2 | |
2 | alcom 1466 | . . 3 | |
3 | 2 | albii 1458 | . 2 |
4 | 1, 3 | bitri 183 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 104 wal 1341 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1435 ax-7 1436 ax-gen 1437 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: alrot4 1474 raliunxp 4745 dff13 5736 |
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