Metamath Proof Explorer


Theorem nvrel

Description: The class of all normed complex vectors spaces is a relation. (Contributed by NM, 14-Nov-2006) (New usage is discouraged.)

Ref Expression
Assertion nvrel ⊢ Rel ⁡ NrmCVec

Proof

Step Hyp Ref Expression
1 nvss ⊢ NrmCVec ⊆ CVec OLD × V
2 relxp ⊢ Rel ⁡ CVec OLD × V
3 relss ⊢ NrmCVec ⊆ CVec OLD × V → Rel ⁡ CVec OLD × V → Rel ⁡ NrmCVec
4 1 2 3 mp2 ⊢ Rel ⁡ NrmCVec