Question: 4. Suppose the second conditional sentence in the knowledge base is replaced by If X is west of Y and Y is left of Z
4. Suppose the second conditional sentence in the knowledge base is replaced by If X is west of Y and Y is left of Z then X is west of Z.
Would this change what is entailed? What happens now with the back-chaining procedure on the query (3d) yonge is west of yonge?
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