R. M. Grassl

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Let S = a 19 a 29 ...» and T-b 1 , b 2 ,. .. be sequences of integers, and let g be an integer. Then gS and S + T denote the sequences ga l9 ga 29 « • • and ct\ + Z>i* CL 2 • + b 2 * .. • » respectively. Also {5} denotes the set {a l9 a 29. . * }. If the a n of S are positive and strictly increasing, the characteristic sequence \S = o l9 c<i 9 ... has c n =(More)
This qualitative exploratory study examined two mathematicians' approaches to teaching proof by mathematical induction (PMI) to undergraduate pre-service teachers. Data considered in the study included classroom video across three weeks of PMI instruction for each professor, an interview with each instructor, focus group interviews of three students from(More)
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