Symbolize the Following Argument, and Test It for Validity

question 39

Essay

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 while the conclusion is . 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.
There will be a great danger of fire next year only if the drought continues, and it will continue unless we get an early storm. However, if we do get an early storm, the ski area managers will be happy. So if the ski area managers are not happy, it'll mean that there's going to be a great danger of fire next year.

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