This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Description: A \/ identity. (Contributed by Anthony Hart, 22-Oct-2010)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | falortru |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tru | ||
| 2 | 1 | olci | |
| 3 | 2 | bitru |