Explanation: None. 5. How many formal languages are used for stating propositions?
A. 1
B. 2
C. 3
D. 4
Answer:A
Explanation: None. 5. How many formal languages are used for stating propositions?
A. 1 B. 2 C. 3 D. 4
Explanation: The two formal languages used for stating propositions are propositional logic and first-order logic. 6. What is the basic element for a language?