| Quantum Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > QLE Home > Th. List > ax-r5 | GIF version | ||
| Description: Inference rule for ortholattices. (Contributed by NM, 9-Aug-1997.) |
| Ref | Expression |
|---|---|
| r5.1 | a = b |
| Ref | Expression |
|---|---|
| ax-r5 | (a ∪ c) = (b ∪ c) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | wva | . . 3 term a | |
| 2 | wvc | . . 3 term c | |
| 3 | 1, 2 | wo 6 | . 2 term (a ∪ c) |
| 4 | wvb | . . 3 term b | |
| 5 | 4, 2 | wo 6 | . 2 term (b ∪ c) |
| 6 | 3, 5 | wb 1 | 1 wff (a ∪ c) = (b ∪ c) |
| Copyright terms: Public domain | W3C validator |