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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 702 | . 2 | |
2 | 3orass 950 | . 2 | |
3 | df-3or 948 | . 2 | |
4 | 1, 2, 3 | 3bitr4i 211 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 104 wo 682 w3o 946 |
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 683 |
This theorem depends on definitions: df-bi 116 df-3or 948 |
This theorem is referenced by: 3mix2 1136 3mix3 1137 eueq3dc 2831 tprot 3586 sotritrieq 4217 elnnz 9022 elznn 9028 ztri3or0 9054 zapne 9083 |
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