Parameter: λ14

Parameter: λ23 Identified

Algebraic Equations:

σ22λ2323

Single Door Criterion:

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

Parameter: ω11 Identified

Algebraic Equations:

1111

Parameter: ω14

Parameter: ω22 Identified

Algebraic Equations:

2222

Parameter: ω33 Identified

Algebraic Equations:

σ23222σ3322ω33

Parameter: ω44

Vanishing Ideal


Constraint Set:

σ34,
σ24,
σ13,
σ12

All constraints are determinantal

Trek-separation:

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