Here you will find homework assignments, in reverse chronological order.

For solutions, click the assignment number. Please note: everyone proves things in their own way.
Your proof doesn't necessarily have to look like mine in order to be correct.

No.

Due Date

Turn these in for a grade.

Think about these for extra practice.

109 Mar 05 5.1   #1, 2, 5bfik, 7, 8a, 10bd, 17a, 19d
5.2   #1cf, 2a, 5adf, 6, 7, 8a, 11, 12cde
5.1   #3, 4, 5lm, 9, 12, 16, 18
5.2   #2bd, 3, 4, 8bc, 9, 10
92 Mar 05 4.3   #1fhl, 2fhl, 3abcd, 4, 8cdf, 9b, 13, 14b, 15d, 17bd
4.4   #2bf, 3ab, 4bc, 5e, 6a, 14.
4.3   #1, 2, 6, 10, 11, 12, 16, 17gh
4.4   #5f, 6f, 9, 18
823 Feb 05 4.1   #1fh, 2fh, 3bd, 4, 6a, 7c, 8ac, 9ac, 10, 13, 18de
4.2   #1e, 3bf, 6, 8, 12e, 15ace, 16be, 20b
4.1   #5, 7abd, 8ef, 9bd, 15, 16, 17b
4.2   #2g, 4, 5, 14abg, 15b, 19
718 Feb 05 3.2   #1bcil, 2bdh, 3bdh, 4bej, 7c, 8ab, 9, 16d
3.3   #1, 2a, 5ac, 7b, 8, 11, 13ad, 14ac
3.2   #1fj, 2g, 4fg, 5, 6, 10, 11, 12, 14, 16a
3.3   #6, 10
3.4   #11b (very optional)
611 Feb 05 2.5   #1, 5a, 8, 14c, 15ab (and fix the book's answer)
3.1   #2, 4a, 8bej, 9ah, 10efop, 12a, 20ce
2.5   #2, 3b, 6c, 7, 12
3.1   #1c, 6, 9(esp. gh), 11, 13, 15
58 Feb 05 2.3   #1dgn, 3, 6b, 7ab, 8ad, 11d, 12a, 18ab, 19abc
2.4   #1ac, 2, 3b, 4a, 8cfik, 9c, 15a
2.3   #1, 8bc, 10ab, 11abc, 12b, 20
      Can 10 trees be planted in 5 rows of 4?
2.4   #4b, 5, 6, 10, 13, 15bcf
428 Jan 05 2.1   #5bc, 6b, 10ab, 12, 18, 19a
2.2   1d, 2bfhl, 3di, 4ce, 9bd, 10be, 13bc, 14f, 15b, 17f
2.1   #1-9, 14, 15, 19
2.2   Wow, so much goodness. Do as much as you have time for!
On #4: Find P(U-A), and P(U)-P(A). Are they equal? 13d.
321 Jan 05 1.5   1bdf, 3cg, 5b, 6d, 11, 12abcd
1.6   1bdf, 3, 5aef, 6a, 8dfgh
1.7   1ace, 3ac
1.5   2ad, 3e, 4ac, 7b, 9, 10
1.6   1eg, 2 (do 2b better than the book), 4, 5d
1.7   1b, 2c, 5, 9 (but first revise so that it is true), 11
214 Jan 05 1.3   1abhij, 2abhij, 4abdehj, 5bc, 6abefg
1.4   4cd, 5b, 6aci, 10abc
1.3   3, 7, 9 1.4   3, 7, 8ab
110 Jan 05 1.1   #1def, 2ce, 5dfi, 7d, 9a, 11c
1.2   #1cdef, 2df, 4cdgi, 7bcd, 9bcd, 10bc, 12ab, 14cf
1.1: Think about the rest of #1. The last two parts are tricky and
related. Which parts of #2 are tautologies? Which are contradictions?
Are any parts equivalent to others? Find propositional forms equivalent
to #2fg, using fewer symbols. How much can you simplify them?
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