Correction for HW1

Found the following typos in HW1.

• 1. (a) (iii) wrong: "less than three"→correct: "equal or less than"
• 2. (d) (iii) (T2') wrong: "A_1∩A_2"→correct: "A_1∪A_2"

Already uploaded the corrected version in microeconomics homepage.

Thanks Kanazawa and Ino for pointing it out.

Kohei