Question: This question is from the Artificial Intelligence field A. Construct a knowledge base KB consisting of the following sentences in propositional logic: If the unicorn

This question is from the Artificial Intelligence field

A. Construct a knowledge base KB consisting of the following sentences in propositional logic: If the unicorn is mythical, then it is immortal, but if it is not mythical, then it is a mortal mammal. If the unicorn is either immortal or a mammal, then it is horned. The unicorn is magical if it is horned.

Prove or disprove the following, each using two methods: (i) By constructing a truth table (5 points), and (ii) By using the logical equivalence and inference rules (5 points).

B. (5+5=10 points) The unicorn is mythical.

C. (5+5=10 points) The unicorn is magical.

D. (5+5=10 points) The unicorn is horned.

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