Knowledge Representation Quiz

What is the primary component of a knowledge-based agent?

• Inference engine

• Data storage

• Knowledge-base

• User interface

Which of the following is NOT a part of a logic?

• Pragmatics

• Inference method

• Semantics

• Syntax

What does propositional logic primarily deal with?

• Variables and functions

• Truth values of propositions

• Complex data structures

• Quantifiers

Which logical system allows for variable representation of many relations?

• Modal Logic

• Temporal Logic

• Propositional Logic

• First Order Logic

What is a valid sentence in propositional logic?

• A sentence that is ambiguous

• A sentence that is true under all interpretations

• A sentence that is false under all interpretations

• A sentence that contains variables

What is the purpose of inference in knowledge representation?

• To create user interfaces

• To visualize information

• To store data

• To derive new sentences from old ones

Which of the following is an example of a sound rule of inference?

• Straw man

• Modus Ponens

• Circular reasoning

• Ad hominem

What does a model represent in propositional logic?

• A syntax error

• A semantic ambiguity

• A logical contradiction

• An interpretation of a set of sentences

What is the main limitation of formal logic in knowledge representation?

• Inability to represent uncertainty

• Complex syntax

• Lack of expressiveness

• Difficulty in automated reasoning

What does the term 'unification' refer to in first order logic?

• Matching terms and variables

• Finding a common interpretation

• Combining different logical expressions

• Resolving contradictions