An S-expression markup language.
(:section (Counting)
(:deflist
(:item (Sum Rule)
(If two tasks can be performed in $m$ and $n$ ways, respectively, then
there are $m + n$ ways of doing (:b either).))
(:item (Product Rule)
(If two sequential tasks can be performed in $m$ and $n$ ways,
respectively, there are $m * n$ ways of performing the sequence.))))Copyright (c) 2014 Fernando Borretti
Licensed under the MIT License.