The name is absent

focuses primarily on one of the objects that are arguments of the main predicate.
The way Joshi applied this idea is by replacing, in part, relational predicate logic with
monadic predicate logic. In each case, a restriction (from the O-machine to the finite
state machine, from the directed graph with loops, multiple edges, and cycles to the
acyclic, directed graph (tree), from the polyadic logic to the monadic logic) makes the
natural language processing problem easier because it builds in the constraints of the
problem.

It is interesting to wonder whether we process language with truly general
mechanisms or with constrained systems localized in various areas of the brain
customized for the task they undertake. I suspect that Joshi and I would agree that
the latter is more likely.

1. Aravind K. Joshi, “Relationship between Natural Language Processing and AI: Role of Constrained
Formal-Computational Systems,” AI Magazine 19(Fall 1998): (3)95-107.

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