- ...bernoulli.b.
^{2.1} - A typographical
error in Bernoulli's table has been corrected here.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- ... lemmas
^{2.2} - A lemma is a theorem
which is proved in order to help prove some other theorem.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- ...
^{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''.*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

*...*^{5.2}*A lemma is a theorem which is proved in order to help prove some other theorem.*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

*...*^{11.1}*The actual statement is $dxy = xdx + ydy$, but this is a typographical error, since the proof gives the correct formula.*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .