Parameter: λ₁₃ Identified

Algebraic Equations:

σ₁₁λ₁₃-σ₁₃

Single Door Criterion:

{1} ⊥ {2,3,4} | {}
{1} ⊥ {2,3} | {4}
{1} ⊥ {3,4} | {2}
{1} ⊥ {3} | {2,4}

Parameter: ω₁₁ Identified

Algebraic Equations:

-σ₁₁+ω₁₁

Parameter: ω₂₂ Identified

Algebraic Equations:

-σ₂₂+ω₂₂

Parameter: ω₃₃ Identified

Algebraic Equations:

σ₁₃²-σ₁₁σ₃₃+σ₁₁ω₃₃

Parameter: ω₄₄ Identified

Algebraic Equations:

-σ₄₄+ω₄₄

Vanishing Ideal

Constraint Set:

σ₃₄,
σ₂₄,
σ₂₃,
σ₁₄,
σ₁₂

All constraints are determinantal

Trek-separation:

{2} ⊥ {1,3,4} | ({},{})
{1,3} ⊥ {2,4} | ({},{})
{1,2,3} ⊥ {4} | ({},{})
{3,1} ⊥ {2,4} | ({3},{})
{1,2} ⊥ {1,3,4} | ({1},{})
{3,2} ⊥ {1,3,4} | ({3},{})
{4,2} ⊥ {1,3,4} | ({4},{})
{1,2} ⊥ {1,3,4} | ({},{1})
{1,3} ⊥ {1,2,4} | ({1},{})
{1,3} ⊥ {3,2,4} | ({},{3})
{1,3} ⊥ {1,2,4} | ({},{1})
{2,1,3} ⊥ {2,4} | ({2},{})
{4,1,3} ⊥ {2,4} | ({4},{})
{1,2,3} ⊥ {1,4} | ({1},{})
{1,2,3} ⊥ {3,4} | ({},{3})
{1,2,3} ⊥ {2,4} | ({},{2})
{1,2,3} ⊥ {1,4} | ({},{1})
{1,3,2} ⊥ {1,3,4} | ({1,3},{})
{1,4,2} ⊥ {1,3,4} | ({1,4},{})
{3,4,2} ⊥ {1,3,4} | ({3,4},{})
{3,1,2} ⊥ {1,3,4} | ({3},{1})
{4,1,2} ⊥ {1,3,4} | ({4},{1})
{1,2,3} ⊥ {1,2,4} | ({1,2},{})
{1,4,3} ⊥ {1,2,4} | ({1,4},{})
{2,1,3} ⊥ {3,2,4} | ({2},{3})
{2,1,3} ⊥ {1,2,4} | ({2},{1})
{4,1,3} ⊥ {3,2,4} | ({4},{3})
{4,1,3} ⊥ {1,2,4} | ({4},{1})
{1,2,3} ⊥ {3,1,4} | ({1},{3})
{1,2,3} ⊥ {2,1,4} | ({1},{2})
{1,2,3} ⊥ {2,3,4} | ({},{2,3})
{1,2,3} ⊥ {1,3,4} | ({},{1,3})
{1,2,3} ⊥ {1,2,4} | ({},{1,2})