Description: Deduction adding 1 conjunct to antecedent. (Contributed by Alan Sare, 17-Oct-2017)
Ref | Expression | ||
---|---|---|---|
Hypothesis | adantl3r.1 | |
|
Assertion | adantl3r | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | adantl3r.1 | |
|
2 | id | |
|
3 | 2 | adantlr | |
4 | 3 1 | sylanl1 | |