Linguistics 726: Mathematical Linguistics

Barbara Partee and Vladimir Borschev
Fall 2006, University of Massachusetts, Amherst

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 A0 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  A0 (.pdf) 
Student Solution 5 (new 2006): Exercises 1,2 (.pdf)
On A0 (.pdf)
On A0 - Interesting wrong answer (.pdf)
On closure of the null set (.pdf)