- ...bernoulli.b. 2.1
- A typographical
error in Bernoulli's table has been corrected here.
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- ... lemmas2.2
- A lemma is a theorem
which is proved in order to help prove some other theorem.
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- ...5.1
- Usually a 
corollary is attached
to a theorem and not to an assumption. A corollary is a statement
that follows immediately from a theorem without a proof. By etymology, it is
a ``small gift''.
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- ...
5.2
- A lemma is a theorem
which is proved in order to help prove some other theorem.
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- ...
![$ 143]{leibchild.b}$](img2959.gif) 11.1 11.1
- The actual statement
is $dxy = xdx + ydy$, but this is a typographical error, since the
proof gives the correct formula.
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