Description: A member of a pair of vectors belongs to their span. (Contributed by NM, 14-May-2015)
Ref | Expression | ||
---|---|---|---|
Hypotheses | lspprid.v | ||
lspprid.n | |||
lspprid.w | |||
lspprid.x | |||
lspprid.y | |||
Assertion | lspprid2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lspprid.v | ||
2 | lspprid.n | ||
3 | lspprid.w | ||
4 | lspprid.x | ||
5 | lspprid.y | ||
6 | 1 2 3 5 4 | lspprid1 | |
7 | prcom | ||
8 | 7 | fveq2i | |
9 | 6 8 | eleqtrdi |