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From Ben: Maggie, we'll give you time to finish up 34. Jacob, we'll give you time to finish up 35. Both parts should be quite quick. If you are lost on 36, it's OK to move on. If you can work with examples, but not the full proof, then you can still do 37 or 38. Problem 39 starts getting into the formal definition of a group.
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- 34 $(1\Rightarrow 2)$ - Maggie
- 35 (converse) - Jacob
- 36 - Vladimir
- 37 - Jacob
- 38 -
- 39 -
- 40 - Veith
- 41 -
- 42 -
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- 37 - Jacob
- 38 - Rachel
- 39 - Joseph, Felipe, Rachel
- 40 - Veith
- 41 -
- 42 -
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- 40 - Veith
- 42 -
- 43 - Felipe
- 44 - Felipe
- 45 -
- 46 - Felipe
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- 42 - Felipe
- 43 - SKIP
- 44 - Done as Class
- 45 -
- 46 -
- 47 - Rachel
- 48 -
- 49 - Kristeena
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- 42 - Felipe
- 44 - Done in class
- 45 -
- 46 - Joseph
- 47 - Rachel already presented this one.
- 48 - Jacob
- 49 - Kristeena already presented this one.
- 50 - Vladimir
- 51 - Maggie
- 52 - Joseph
Today we had Jacob share his work on 48, looked at a lot of examples, and then had Vlad share his work on 50.
If you are ready to present one, click "edit" and add your name to the list below.
- 42 - Prove that $d$ is the greatest common divisor. Felipe, Maggie
- 45 -
- 46 - Joseph
- 50 - Jacob (almost), Felipe, Vladimir
- 53 - Felipe
- 54 - Veith, Jacob, Maggie, Vladimir
- 55 - Rachel, Jacob, Vladimr
- 56 - Felipe, Maggie, Vladimir
- 57 - Felipe, Maggie, Jacob
For more problems, see AllProblems