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Mirrors > Home > ILE Home > Th. List > 3orrot | Unicode version |
Description: Rotation law for triple disjunction. (Contributed by NM, 4-Apr-1995.) |
Ref | Expression |
---|---|
3orrot |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | orcom 717 | . 2 | |
2 | 3orass 965 | . 2 | |
3 | df-3or 963 | . 2 | |
4 | 1, 2, 3 | 3bitr4i 211 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 104 wo 697 w3o 961 |
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-io 698 |
This theorem depends on definitions: df-bi 116 df-3or 963 |
This theorem is referenced by: 3mix2 1151 3mix3 1152 eueq3dc 2853 tprot 3611 sotritrieq 4242 elnnz 9057 elznn 9063 ztri3or0 9089 zapne 9118 |
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