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 ) ) )