Question: 3. Trace the back-chaining procedure on the following queries: a. spadina is west of st-george; b. yonge is east of bay; c. christie is west

3. Trace the back-chaining procedure on the following queries:

a. spadina is west of st-george;

b. yonge is east of bay;

c. christie is west of spadina;

d. yonge is west of yonge;

e. st-george is east of bathurst;

f. bay is west of sherbourne.

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