# Theory Deriving.Derive

section ‹Loading Existing Derive-Commands›
theory Derive
imports
"Comparator_Generator/Compare_Instances"
"Equality_Generator/Equality_Instances"
"Hash_Generator/Hash_Instances"
"Countable_Generator/Countable_Generator"
begin
text‹
We just load the commands to derive comparators, equality-functions, hash-functions, and the
command to show that a datatype is countable, so that now all of them are available.
There are further generators available in the AFP entries Containers and Show.
›
print_derives
end