Question

which of the following can you determine, when you use deduction and start from a given set of rules and conditions?
a. what must be true
b. none of these
c. what may be true
d. what may be false

Explanation:

Deduction starts with given rules/conditions and determines what must be true (logical necessity). "What may be true" or "false" is more about possibility (inductive or abductive), but deduction focuses on necessary truths. Option B is wrong as A is valid.

Answer:

A. What must be true