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Specific Treatment of Binary Relations
Saturate attempts to automatically
recognize certain properties of binary relations
and then specializes the chaining-based inference rules accordingly.
Also, the simplification module will know about these properties.
The system recognizes and treats in a specific manner
- transitivity
- or, more generally, certain collections of composition laws of the form
for binary relations , , and ;
- totality laws
- of the form
- reflexivity and irreflexivity laws
- of the form
or
- monotonicity laws
- of the form
- anti-monotonicity laws
- of the form
- symmetry laws
- of the form
- density laws
- of the form
(written as two clauses); and
- laws about the absense of endpoints
- of the form
or
Interesting types of binary relations with such properties include
equivalences, equality (congruences) and orderings.
Next: Redundancy
Up: Inference System
Previous: Modal Logics
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Harald Ganzinger
2002-12-04
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