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Definition df-iop 28736
Description: Define the Hilbert space identity operator. See dfiop2 28740 for alternate definition. (Contributed by NM, 15-Nov-2000.) (New usage is discouraged.)
Assertion
Ref Expression
df-iop Iop = (proj‘ ℋ)

Detailed syntax breakdown of Definition df-iop
StepHypRef Expression
1 chio 27929 . 2 class Iop
2 chil 27904 . . 3 class
3 cpjh 27922 . . 3 class proj
42, 3cfv 5926 . 2 class (proj‘ ℋ)
51, 4wceq 1523 1 wff Iop = (proj‘ ℋ)
Colors of variables: wff setvar class
This definition is referenced by:  dfiop2  28740  hoival  28742  hoid1i  28776  hoid1ri  28777  pjclem1  29182  pjclem3  29184  pjci  29187
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