Command 'type_synonym' (with single argument) supersedes 'types' (legacy feature);
header {* Plain HOL *}
theory Plain
imports Datatype FunDef Extraction Metis
begin
text {*
Plain bootstrap of fundamental HOL tools and packages; does not
include @{text Hilbert_Choice}.
*}
ML {* path_add "~~/src/HOL/Library" *}
end