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| Mirrors > Home > MPE Home > Th. List > jcad | Structured version Visualization version Unicode version | ||
| Description: Deduction conjoining the consequents of two implications. (Contributed by NM, 15-Jul-1993.) (Proof shortened by Wolf Lammen, 23-Jul-2013.) |
| Ref | Expression |
|---|---|
| jcad.1 |
|
| jcad.2 |
|
| Ref | Expression |
|---|---|
| jcad |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | jcad.1 |
. 2
| |
| 2 | jcad.2 |
. 2
| |
| 3 | pm3.2 463 |
. 2
| |
| 4 | 1, 2, 3 | syl6c 70 |
1
|
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