Tutorial Contents Tutorial One: Consistency and Validity - Ambiguity - Arguments- Validity" -
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When considering whether a set of sentence is consistent, we need to remember that sentences can be ambiguous.


There a two main types of ambiguity in a sentence:


Lexical ambiguity occurs when a word in the sentence has more than one meaning.

For example:  

            I know a bank.

Structural ambiguity occurs when there is more than one way of taking the structure of the sentence; for instance when there is more than one way in which the words might be grouped.


For example:

            She went to a pretty little girls' camp.


A particular type of structural ambiguity occurs when there is ambiguity of cross-reference.


For example:

                John asked Peter because he likes him.


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