Example of forward chaining

FACTUAL KNOWLEDGE:

R1: IF railway-station THEN +near-destination

R2: IF stadium THEN +far-destination

R3: IF hospital THEN +far-destination, +in-the-city-destination

EXPERT KNOWLEDGE:

R10: IF near-destination THEN +(go walking)

R11: IF far-destination THEN +(go by-car)

R12: IF far-destination AND in-the-city-destination THEN +use-public-transportation

R13: IF use-public-transportation THEN +(go by-bus)

R14: IF use-public-transportation AND very-short-time THEN +(go by-taxi)

A small transportation problem

RULE BASE

(cont.d)

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