Archive for November, 2010
1. Let A and B denote sets. Use an “element” argument to prove the “Absorbing Law” . Proof: Suppose first that . It follows from the definition of intersection that then . Since was chosen arbitrarily in , we have shown that . Now suppose instead that . By the definition of union, we can [...]
in my other blog (you may have to scroll a little).
euclidean algorithm youtube link at the zero-sum ruler.
“midterm” report. actually we’re more like two-thirds of the way through (my one-shot Discrete Math class at Big State U; try to keep up)… but the custom on this campus is to refer to all-exams-other-than-the-final as “midterms” (which strikes me weird since where i came up we sometimes had bigger-fuss-than-usual exams in the middle of [...]
Owen “Vlorbik” Thomas
Open A Vein (homepage)
Math 151 posts
e-mail: vlorbik@gmail.comW'press login.
More mathy stuff by me:
Lectures Without Words (drawings mostly)
Vlorbik On Math Ed ('07—'09)
Community College Calculus (S '09)
Math 148: Precalculus (W '09)
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Listserv posts: amte (11/98—8/00)... math-teach (6/05—11/06)
