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| Mirrors > Home > ILE Home > Th. List > jaoi | Unicode version | ||
| Description: Inference disjoining the antecedents of two implications. (Contributed by NM, 5-Apr-1994.) (Revised by NM, 31-Jan-2015.) |
| Ref | Expression |
|---|---|
| jaoi.1 |
|
| jaoi.2 |
|
| Ref | Expression |
|---|---|
| jaoi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | jaoi.1 |
. 2
| |
| 2 | jaoi.2 |
. 2
| |
| 3 | pm3.44 716 |
. 2
| |
| 4 | 1, 2, 3 | mp2an 426 |
1
|
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