21 ) This is not an alligator p: this is not an alligator 9: this is a reptile what is the symbolic form " This is not an alligator if it's not a replile "'? wobesul try tell ) List all the proper ? subsets of fA, B, C } Also lop I halt agedsono for it int 27" 3 Given U = 5 1 , 2 , 3 4 , 5 , 6 , 7 , 8 9 , 10 ] A= 1,357 9 } 7 8 B: $ 1,3 9, 107 / gund torob 1 10 List the elements in the set ( AnB