NF weak partition development: NominalAlphaRepairedBase001013Xpk.

noncomputable def NFChoice.DirectNominalPrf.NominalAlphaWrappersRepaired.nominalDfXpk (x y z : SemanticCore.Var) (A B : SemanticCore.Class) (dv_A_x : x ∉ A.fv) (dv_A_y : y ∉ A.fv) (dv_A_z : z ∉ A.fv) (dv_B_x : x ∉ B.fv) (dv_B_y : y ∉ B.fv) (dv_B_z : z ∉ B.fv) (dv_x_y : x ≠ y) (dv_x_z : x ≠ z) (dv_y_z : y ≠ z) : Nominal.NPrf (SemanticCore.Wff.classEq (Compiler.CompactSourceSyntax.synCxpk A B) (SemanticCore.Class.cab x (Compiler.CompactSourceSyntax.synWex y (Compiler.CompactSourceSyntax.synWex z (Compiler.CompactSourceSyntax.synWa (SemanticCore.Wff.classEq (SemanticCore.Class.cv x) (Compiler.CompactSourceSyntax.synCopk (SemanticCore.Class.cv y) (SemanticCore.Class.cv z))) (Compiler.CompactSourceSyntax.synWa (SemanticCore.Wff.classMem (SemanticCore.Class.cv y) A) (SemanticCore.Wff.classMem (SemanticCore.Class.cv z) B)))))))

Checked nominal proof certificate identified upstream as nominal_df_xpk.

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