Chained theorems are no longer mentioned in metis calls and (if used) they prevent the
output of a structured proof.
(* Title: HOL/Main.thy
ID: $Id$
*)
header {* Main HOL *}
theory Main
imports Map
begin
text {*
Theory @{text Main} includes everything. Note that theory @{text
PreList} already includes most HOL theories.
*}
ML {* val HOL_proofs = ! Proofterm.proofs *}
end