Question

Symbolize the following argument, and test it for validity. If valid, construct a deduction;
if invalid, assign truth values that show that the premises can be true while the conclusion is false. Use these letters: D = The drought will continue; S = We get an early storm;
M = Managers of the ski areas will be happy; F = There will be great fire danger next year.
If theres no early storm, the drought will continue. And if the drought continues, there will be a great danger of fire next year. So, if there is to be no great danger of fire next year, there must be an early storm.

Answer

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