Description: Deduction adding two conjuncts to antecedent. (Contributed by NM, 24-Nov-2007)
Ref | Expression | ||
---|---|---|---|
Hypothesis | ad2ant2.1 | |
|
Assertion | ad2ant2rl | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ad2ant2.1 | |
|
2 | 1 | adantrl | |
3 | 2 | adantlr | |