Syntax Definition csp 4963

Description: Extend class notation with inner (scalar) product in Hilbert space. In the literature, the inner product of A and B is usually written ⟨A, B⟩ but our operation notation allows us to use existing theorems about operations and also eliminates ambiguity with the definition of an ordered pair df-op 1815.

Assertion

Ref	Expression
csp	class ·i

This syntax is primitive. The first axiom using it is ax-hicl 5043.

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