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Related theorems Unicode version |
| Description: Deduction adding a conjunct to antecedent. |
| Ref | Expression |
|---|---|
| adant2.1 |
|
| Ref | Expression |
|---|---|
| adantll |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | adant2.1 |
. . . 4
| |
| 2 | 1 | ex 380 |
. . 3
|
| 3 | 2 | adantl 397 |
. 2
|
| 4 | 3 | imp 357 |
1
|