New Foundations Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > NFE Home > Th. List > 3oran | Unicode version |
Description: Triple disjunction in terms of triple conjunction. (Contributed by NM, 8-Oct-2012.) |
Ref | Expression |
---|---|
3oran |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3ioran 950 | . . 3 | |
2 | 1 | con1bii 321 | . 2 |
3 | 2 | bicomi 193 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wb 176 w3o 933 w3a 934 |
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 177 df-or 359 df-an 360 df-3or 935 df-3an 936 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |