Boundary Conditions in n-ary Logical Systems: Complete Derivation and Physical Foundations Diego Tentor Independent Researcher, ArXe Theory Date: February 2026 | Revised: March 2026 (V4 addendum integrated) Version: 2.1 – V4 Unified Edition Abstract We present a derivation of boundary conditions (BC) in n-ary logical systems from first principles. Starting from fundamental axioms—recursive exentation, binary pairing, and indecidability of orderings—we…