Description: Deduction adding conjuncts to antecedent. (Contributed by Alan Sare, 17-Oct-2017) (Proof shortened by Wolf Lammen, 14-Apr-2022)
Ref | Expression | ||
---|---|---|---|
Hypothesis | ad5ant.1 | |
|
Assertion | ad5ant234 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ad5ant.1 | |
|
2 | 1 | ad4ant234 | |
3 | 2 | adantr | |