/media/sda-magnetic/david/Dok-15-2023-11-27/fernuni-hagen/cs-i-ii/old-cs-2-01/comp-2021-09-07/differentation.txt

/*

Grammatik:

diff := diff' | expr'
expr := expr + term | expr - term | term
term := term * fact | term / fact | fact 
fact := const | 'x' |function | (diff)
function := f(diff) | g(diff) | h (diff)

*/