1. In practice, entailment  may be checked with an incomplete method. 2. A simple test to differentiate presupposition from entailment  is negation. 3. Discourse status is determined via the entailments  of the context. 4. What are the words for the terms in an entailment ? 5. Muggleton implemented Inverse entailment  first in the PROGOL system. 6. Most common law countries have abolished entailment  by statute. 7. In this case, presupposition remains under negation, but entailment  does not. 8. Compare this methodological strategy for conditionals with that of first-degree entailment  logics. 9. Ladusaw ( 1980 ) proposed that downward entailment  is the property that licenses polarity items. 10. Some many-valued logics may have incompatible definitions of equivalence and order ( entailment  ).