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Write a definition of predicate prefix ( X , Y ) , which is true just when list X is a prefix of list Y
Write a definition of predicate prefixX Y which is true just when list X is a prefix of list Y
For example, prefix is true. Every list is a prefix of itself.
Which of the following is a correct definition of prefix?
Group of answer choices
prefixXAY : appendAXY
prefix
prefixAXBY : prefixAX prefixBY
prefixX
prefixAXAY : prefixAX prefixAY
prefixY
prefixAXAY : prefixXY
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