1. If before an event, Coronation pulls a tendon in its leg and Ashley has to cancel her appearance, this is a case of:
a. subjective impossibility, which does not excuse Ashley from liability for breach of contract.
b. objective impossibility, which discharges Ashley’s contractual duty.
c. frustation of purpose, which does not discharge Ashley’s contractual duty.
d. commercial impracticability, which excuses nonperformance.
2. When an argument is inductive
A. the argument is truth preserving
B. there is no entailment in that argument
C. it is impossible for its premises to be true and its conclusion to be false at the same time
D. there is entailment in that argument