4
Counting and integers
IA Numbers and Sets
4
Coun
ting
and
in
tegers
This
c
hapter
exists
b
ecause
exp
erience
sho
ws
that
mathematicians
do
not
kno
w
ho
w
to
count.
Contents
4.1 Basic counting
4.2 Combinations
4.3 Well-ordering and induction
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Table of Contents
4.1 >
