15 Questions
In Prolog, what does a fact represent?
A statement with an upper-case variable as the predicate
What does the Prolog query 'cloudy(X)' aim to find?
The value of X that makes the 'cloudy' predicate true
What happens when Prolog cannot find any more alternative answers?
It outputs 'no' to indicate no more alternative answers
What is a role of a rule in Prolog?
To establish relationships between predicates
In Prolog, what does the symbol ':-' between 'head' and 'body' represent?
It signifies implication from body to head
What is the purpose of unification in Prolog?
To establish a connection between predicates
What is the main idea behind Prolog?
Expressing logic as relations
How does Prolog deduce new facts?
Through logical deductions about the described situation
What is the main role of an inference engine in Prolog?
Answering questions based on knowledge base and rules
In Prolog, what is a Knowledge Base composed of?
Facts, rules, and an inference engine
In Prolog, which of the following is true about constants?
They can begin with a lowercase letter or be enclosed in single quotes.
What does the operator == signify in Prolog?
Inequality check
Which arithmetic operator is used to perform real division in Prolog?
/
What is the purpose of the operator =:= in Prolog?
It compares arithmetic expressions for equality.
Which of the following is true about the operator ** in Prolog?
It stands for exponentiation.
Test your knowledge on prolog constants (atoms) which begin with lowercase letters or are enclosed in single quotes, numbers, logical operators, arithmetic expressions, terms, identical equality, inequality, and unification. Practice identifying true and false statements and understanding variable matching in Prolog.
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