pleaes can you slove the two Q with explan the answer

Which of the following statements is NOT true: Logical inference can be applied to propositions to generate new facts. The value of a proposition can change depending on the context or situation. The statement "The Sun is cold" is a proposition. A proposition can be used to describe facts that are either true or false all the time. propositions can be used to describe an uncertain (probabilistic) world. Consider the Towers of Hanoi problem with n=3. For the recursive solution using the code shown in class, the number of times the BASIC STEP is executed is equal to