Consider the following fuzzy sets with membership functions as given. winter= 0.7/December + 0.8/January + 0.5/February heavy_snow= 0.3/1 + 0.6/4 + 0.9/8 (in inches) (a) Write down the membership function for the fuzzy set: winter AND heavy_snow (b) Write down the membership function for the fuzzy set: winter OR heavy_snow (c) Write down the membership function for the fuzzy set: winter AND not(heavy_snow)