ITEC 122
2008fall
ibarland
home
—
info
—
lectures
—
exams
—
archive
lect12c
(The Friday before thanksgiving break:)
An example of a bad induction proof: P(n) = "In any set of n horses, all the horses are white"
Dots-on-foreheads concluded (as induction).
Cardinality (quickly):
N
vs.
2
N
;
N
vs.
Z
;
N
vs.
Σ*;
N
vs.
N
×
N
;
N
vs.
Q
;
N
vs.
R
.
home
—
info
—
lectures
—
exams
—
archive
©2008,
Ian Barland
,
Radford University
Last modified
2008.Dec.08 (Mon)
Please mail any suggestions
(incl. typos, broken links)
to
ibarland
radford.edu