Metamath Proof Explorer


Theorem hllatd

Description: Deduction form of hllat . A Hilbert lattice is a lattice. (Contributed by BJ, 14-Aug-2022)

Ref Expression
Hypothesis hllatd.1 ⊢ φ → K ∈ HL
Assertion hllatd ⊢ φ → K ∈ Lat

Proof

Step Hyp Ref Expression
1 hllatd.1 ⊢ φ → K ∈ HL
2 hllat ⊢ K ∈ HL → K ∈ Lat
3 1 2 syl ⊢ φ → K ∈ Lat