Problem: Given the true statement: The picnic on Sunday will not be held only if the weather is not fair. We can then conclude that:
Answer Choices:
A. If the picnic is held, Sunday's weather is undoubtedly fair.
B. If the picnic is not held, Sunday's weather is possibly unfair.
C. If it is not fair Sunday, the pienic will not be held.
D. If it is fair Sunday, the pienic may be held.
E. If it is fair Sunday, the picnic must be held.
Solution:
The given statement may be rephrased as "If the picnic on Sunday is not held, then the weather is not fair." Its contrapositive is "If the weather