A thematic Voice head with its variable saturated denotes the model's relation ρ i for its
instruction i, of type ⟨e,⟨v,t⟩⟩, and with its variable implicit the relation existentially
closed, λe. ∃x, ρ i x e, of type ⟨v,t⟩; expletive Voice denotes the identity on ⟨v,t⟩
(Alexiadou et al. 2015).
The definition is too large to print here; read it in the source.
Used by denote_of_thematic, denote_of_implicit, denote_of_expletive, interp_toTree_leaf_mul, interp_toTree_leaf_mul_of_implicit, interp_toTree_leaf_mul_of_expletive