This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.

Metamath Proof Explorer

Theorem helsh

Description: Hilbert space is a subspace of Hilbert space. (Contributed by NM, 2-Jun-2004) (New usage is discouraged.)

		Ref	Expression
	Assertion	helsh	$⊢ ℋ \in S_{ℋ}$

Step	Hyp	Ref	Expression
1		helch	$⊢ ℋ \in C_{ℋ}$
2	1	chshii	$⊢ ℋ \in S_{ℋ}$