And between now and the 30th of November 2000 I am running a prizedraw. Buy any pattern and be in for a chance to win one of 5 prizes consisting of a free pattern of your choice, so order today.
[ 15 ] in 1960 was used in adults for cervicodorsal disorders.
This one-to-one correspondence between the set of positive integers and the set of pairs of positive integers indicates that the set of pairs is countably infinite. Since the set of positive rational numbers is a subset of the set of all pairs of positive integers, the set of positive rational numbers is at most countably infinite. Then, since it is also at least countably infinite, the set of positive rational numbers is countably infinite.
I'm ranked sixth in the French class, behind five other pupils.
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