Description: Mapping of composition of Hilbert space operators. (Contributed by NM, 14-Nov-2000) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypotheses | hoeq.1 | |
|
hoeq.2 | |
||
Assertion | hocofi | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hoeq.1 | |
|
2 | hoeq.2 | |
|
3 | fco | |
|
4 | 1 2 3 | mp2an | |