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Desymmetrization: Parametric Variation at the PF-Interface

Abstract I advance the thesis that the narrow syntactic component of CHL is purely symmetrical, with all apparent asymmetries reducing to interface conditions. Properties of Germanic object shift and scrambling, in particular the VO order-preservation (Holmberg’s Generalization), derive from symmetry-breaking strategies which dispose of superfluous (symmetric) syntactic information and ensure the PF-legibility (linearization). These interface desymmetrization strategies provide a Minimalist analysis of non-lexical (macro-)parameters, such as the head-directionality parameter. The Linear Correspondence Axiom is reconciled with the VO/OV head parameter such that linear “shape” is preserved across the derivation. This allows object shift and scrambling to emerge as two sides of a single parametric coin. The implications of this system for the A/A-bar movement typology are explored, and a Minimalist reconceptualization is offered.