Description: A rearrangement of conjuncts for a 4-right-nested conjunction. (Contributed by Alan Sare, 30-May-2018)
Ref | Expression | ||
---|---|---|---|
Hypothesis | 4an4132.1 | |
|
Assertion | 4an4132 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 4an4132.1 | |
|
2 | simpr | |
|
3 | simplr | |
|
4 | 2 3 | jca | |
5 | simpllr | |
|
6 | simplll | |
|
7 | 4 5 6 1 | syl21anc | |