Linguistics 726: Mathematical LinguisticsBarbara Partee and Vladimir Borschev

Ling726 2006 home  description  homework  book errata  links  LING 726 2004 Website 
Homework 4 to Lecture 4.1: due Sep 26, 2006 (this was also HW 4 in 2004 and 2001)
Algebra. Ex 1 involving homomorphism from Parity to N; Ex 2 about symmetries of the square, Ex 3  answer questions scattered through the handout, and optionally think about what A^{0} should be. Instructor's index and several solutions posted below.
Instructors' Index (.pdf)
Instructors' Note on Homomorphisms (.pdf)
Student Solution 1: Exercise 2 (.pdf)
Student Solution 2: Exercise 1, 2; Handout questions 3.1  3.5 (.pdf)
Student Solution 3: Exercise 1 (.pdf)
Student Solution 4: Excercise 1, 2, and A^{0 }(.pdf)
Student Solution 5 (new 2006): Exercises 1,2 (.pdf)
On A^{0 }(.pdf)
On A^{0}  Interesting wrong answer (.pdf)
On closure of the null set (.pdf)