Metamath Proof Explorer


Theorem dvhopclN

Description: Closure of a DVecH vector expressed as ordered pair. (Contributed by NM, 20-Nov-2013) (New usage is discouraged.)

Ref Expression
Assertion dvhopclN ⊢ F ∈ T ∧ U ∈ E → F U ∈ T × E

Proof

Step Hyp Ref Expression
1 opelxpi ⊢ F ∈ T ∧ U ∈ E → F U ∈ T × E