Hurford disjunction

In formal semantics, a Hurford disjunction is a disjunction in which one of the disjuncts entails the other. The concept was first identified by British linguist James Hurford. The sentence "Mary is in the Netherlands or she is in Amsterdam" is an example of a Hurford disjunction since one cannot be in Amsterdam without being in the Netherlands. Other examples are shown below: 1. * #Tamina saw a Beatle or Paul McCartney. 2. * #The number I'm thinking of is divisible by 4 or it's even. 3. * #Is Wilbur a pig or an animal?

Hurford disjunction

In formal semantics, a Hurford disjunction is a disjunction in which one of the disjuncts entails the other. The concept was first identified by British linguist James Hurford. The sentence "Mary is in the Netherlands or she is in Amsterdam" is an example of a Hurford disjunction since one cannot be in Amsterdam without being in the Netherlands. Other examples are shown below: 1. * #Tamina saw a Beatle or Paul McCartney. 2. * #The number I'm thinking of is divisible by 4 or it's even. 3. * #Is Wilbur a pig or an animal?