Metamath Proof Explorer


Definition df-nmhm

Description: Define a normed module homomorphism, also known as a bounded linear operator. This is a module homomorphism (a linear function) such that the operator norm is finite, or equivalently there is a constant c such that... (Contributed by Mario Carneiro, 18-Oct-2015)

Ref Expression
Assertion df-nmhm NMHom = ( 𝑠 ∈ NrmMod , 𝑡 ∈ NrmMod ↦ ( ( 𝑠 LMHom 𝑡 ) ∩ ( 𝑠 NGHom 𝑡 ) ) )

Detailed syntax breakdown

Step Hyp Ref Expression
0 cnmhm ⊢ NMHom
1 vs ⊢ 𝑠
2 cnlm ⊢ NrmMod
3 vt ⊢ 𝑡
4 1 cv ⊢ 𝑠
5 clmhm ⊢ LMHom
6 3 cv ⊢ 𝑡
7 4 6 5 co ⊢ ( 𝑠 LMHom 𝑡 )
8 cnghm ⊢ NGHom
9 4 6 8 co ⊢ ( 𝑠 NGHom 𝑡 )
10 7 9 cin ⊢ ( ( 𝑠 LMHom 𝑡 ) ∩ ( 𝑠 NGHom 𝑡 ) )
11 1 3 2 2 10 cmpo ⊢ ( 𝑠 ∈ NrmMod , 𝑡 ∈ NrmMod ↦ ( ( 𝑠 LMHom 𝑡 ) ∩ ( 𝑠 NGHom 𝑡 ) ) )
12 0 11 wceq ⊢ NMHom = ( 𝑠 ∈ NrmMod , 𝑡 ∈ NrmMod ↦ ( ( 𝑠 LMHom 𝑡 ) ∩ ( 𝑠 NGHom 𝑡 ) ) )