Description: Inference quantifying antecedent, nested antecedent, and consequent, with a strong hypothesis. (Contributed by NM, 19-Dec-2006) Allow shortening of ralim . (Revised by Wolf Lammen, 1-Dec-2019)
Ref | Expression | ||
---|---|---|---|
Hypothesis | ral2imi.1 | |
|
Assertion | ral2imi | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ral2imi.1 | |
|
2 | df-ral | |
|
3 | 1 | imim3i | |
4 | 3 | al2imi | |
5 | df-ral | |
|
6 | df-ral | |
|
7 | 4 5 6 | 3imtr4g | |
8 | 2 7 | sylbi | |