Metamath Proof Explorer


Theorem hlop

Description: A Hilbert lattice is an orthoposet. (Contributed by NM, 20-Oct-2011)

Ref Expression
Assertion hlop ⊢ K ∈ HL → K ∈ OP

Proof

Step Hyp Ref Expression
1 hlol ⊢ K ∈ HL → K ∈ OL
2 olop ⊢ K ∈ OL → K ∈ OP
3 1 2 syl ⊢ K ∈ HL → K ∈ OP