Description: Separate out a term in a finite product. (Contributed by Glauco Siliprandi, 5-Apr-2020)
Ref | Expression | ||
---|---|---|---|
Hypotheses | fprodsplit1.a | |
|
fprodsplit1.b | |
||
fprodsplit1.c | |
||
fprodsplit1.d | |
||
Assertion | fprodsplit1 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fprodsplit1.a | |
|
2 | fprodsplit1.b | |
|
3 | fprodsplit1.c | |
|
4 | fprodsplit1.d | |
|
5 | nfv | |
|
6 | nfcvd | |
|
7 | 5 6 1 2 3 4 | fprodsplit1f | |