Metamath Proof Explorer


Definition df-homul

Description: Define the scalar product with a Hilbert space operator. Definition of Beran p. 111. (Contributed by NM, 20-Feb-2006) (New usage is discouraged.)

Ref Expression
Assertion df-homul ·op = ( 𝑓 ∈ ℂ , 𝑔 ∈ ( ℋ ↑m ℋ ) ↦ ( 𝑥 ∈ ℋ ↦ ( 𝑓 ·ℎ ( 𝑔 ‘ 𝑥 ) ) ) )

Detailed syntax breakdown

Step Hyp Ref Expression
0 chot ⊢ ·op
1 vf ⊢ 𝑓
2 cc ⊢ ℂ
3 vg ⊢ 𝑔
4 chba ⊢ ℋ
5 cmap ⊢ ↑m
6 4 4 5 co ⊢ ( ℋ ↑m ℋ )
7 vx ⊢ 𝑥
8 1 cv ⊢ 𝑓
9 csm ⊢ ·ℎ
10 3 cv ⊢ 𝑔
11 7 cv ⊢ 𝑥
12 11 10 cfv ⊢ ( 𝑔 ‘ 𝑥 )
13 8 12 9 co ⊢ ( 𝑓 ·ℎ ( 𝑔 ‘ 𝑥 ) )
14 7 4 13 cmpt ⊢ ( 𝑥 ∈ ℋ ↦ ( 𝑓 ·ℎ ( 𝑔 ‘ 𝑥 ) ) )
15 1 3 2 6 14 cmpo ⊢ ( 𝑓 ∈ ℂ , 𝑔 ∈ ( ℋ ↑m ℋ ) ↦ ( 𝑥 ∈ ℋ ↦ ( 𝑓 ·ℎ ( 𝑔 ‘ 𝑥 ) ) ) )
16 0 15 wceq ⊢ ·op = ( 𝑓 ∈ ℂ , 𝑔 ∈ ( ℋ ↑m ℋ ) ↦ ( 𝑥 ∈ ℋ ↦ ( 𝑓 ·ℎ ( 𝑔 ‘ 𝑥 ) ) ) )