Note: only typed solution accepted.

1. (10 points) Fill in the blanks to rewrite the following statement. For all objects 7, if T is a triangle than T has three sides. (a) All triangles (b) Every triangle (c) If an object is a triangle, then it (d) If T then T (e) For all triangles T,2. (10 points) (a) Is (2 } C {2,3,4}? (b) Is (2} E {2,3,4)? (c) Is {3 } C {{2), (3), (4}}? (d) Is (3 ) c { {2), (3), (4} }? (e) How many elements are in the set { 2,2,2}