Description: Define the Hilbert space identity operator. See dfiop2 for alternate definition. (Contributed by NM, 15-Nov-2000) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | df-iop | ⊢ Iop = ( projℎ ‘ ℋ ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | chio | ⊢ Iop | |
1 | cpjh | ⊢ projℎ | |
2 | chba | ⊢ ℋ | |
3 | 2 1 | cfv | ⊢ ( projℎ ‘ ℋ ) |
4 | 0 3 | wceq | ⊢ Iop = ( projℎ ‘ ℋ ) |