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Mirrors > Home > MPE Home > Th. List > 3jaoian | Structured version Visualization version Unicode version |
Description: Disjunction of three antecedents (inference). (Contributed by NM, 14-Oct-2005.) |
Ref | Expression |
---|---|
3jaoian.1 | |
3jaoian.2 | |
3jaoian.3 |
Ref | Expression |
---|---|
3jaoian |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3jaoian.1 | . . . 4 | |
2 | 1 | ex 450 | . . 3 |
3 | 3jaoian.2 | . . . 4 | |
4 | 3 | ex 450 | . . 3 |
5 | 3jaoian.3 | . . . 4 | |
6 | 5 | ex 450 | . . 3 |
7 | 2, 4, 6 | 3jaoi 1391 | . 2 |
8 | 7 | imp 445 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 w3o 1036 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 |
This theorem is referenced by: xrltnsym 11970 xrlttri 11972 xrlttr 11973 qbtwnxr 12031 xltnegi 12047 xaddcom 12071 xnegdi 12078 lcmftp 15349 xaddeq0 29518 3ccased 31600 |
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