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Related theorems Unicode version |
| Description: Conjoin both sides of hypotheses. |
| Ref | Expression |
|---|---|
| 2an.1 |
|
| 2an.2 |
|
| Ref | Expression |
|---|---|
| 2an |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2an.2 |
. . 3
| |
| 2 | 1 | lan 70 |
. 2
|
| 3 | 2an.1 |
. . 3
| |
| 4 | 3 | ran 71 |
. 2
|
| 5 | 2, 4 | ax-r2 35 |
1
|