Some Math 420 problems nd ideas to consider.

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<a href=intaxioms.pdf> Brief overview of axioms for the integers.</a></br>
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<a href=little.pdf> Short proofs and problems to consider.</a></br>
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<a href=cc1-1.pdf> Comments on points from Section 1.1.</a></br>
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<a href=divorder.pdf> Introduction to partially ordered sets. The division order.</a></br>
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<a href= 420Fa2009MtermNotes.pdf> Notes on Midterm Prep.</a></br>
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Homework assignments. 
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Underlined problems are required from students 
in 420H and 520.</br></br>
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HMWK 1: Section 1.1: Due: Mon Aug. 31. </br>
TURN IN: 3bd, 4bc, 6(applied to problems from 
both 3 and 4),7,8,<U>10</U>, <U>15</U>.  </br>
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HMWK2 : Section 1.2: Due: Sept.4 </br>
Be familiar with, but do not turn in - 1,2,3, <U>25</U>. </br>
TURN IN: 6,7,8,<U>9</U>, 10 ,<U>11</U>, 15. 
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HMWK3 : Section 1.3:   </br>
TURN IN: 7,10,14,18
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HMWK4 : Section 1.4:  </br>
TURN IN: 5,9ab,12,<U>10 </U>. 
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HMWK5 : Section 2.1:  </br>
Be familiar with, but do not turn in - 15,16,17 </br>
TURN IN: 6,9ab,10b,11
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HMWK6 : Section 2.2:  </br>
TURN IN: 1b,3,4,5,<U>10</U>
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HMWK7 : Section 2.3:  </br>
NOT TURNED  IN: 1,2,3,4 Not to be turned in.
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HMWK8: Section 2.3: Due Octber 23</br>
5,6,8,9,14,<U>15</U>,<U>16</U>
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Joseph (Buck) Stephen, Ph.D.</br>