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| Mirrors > Home > MPE Home > Th. List > mpbir3and | Structured version Visualization version Unicode version | ||
| Description: Detach a conjunction of truths in a biconditional. (Contributed by Mario Carneiro, 11-May-2014.) (Revised by Mario Carneiro, 9-Jan-2015.) |
| Ref | Expression |
|---|---|
| mpbir3and.1 |
|
| mpbir3and.2 |
|
| mpbir3and.3 |
|
| mpbir3and.4 |
|
| Ref | Expression |
|---|---|
| mpbir3and |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpbir3and.1 |
. . 3
| |
| 2 | mpbir3and.2 |
. . 3
| |
| 3 | mpbir3and.3 |
. . 3
| |
| 4 | 1, 2, 3 | 3jca 1242 |
. 2
|
| 5 | mpbir3and.4 |
. 2
| |
| 6 | 4, 5 | mpbird 247 |
1
|
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