# HG changeset patch
# User blanchet
# Date 1412079487 -7200
# Node ID ed380b9594b5c2d4bbb89bfdb2451d73213e3a54
# Parent  308f3c7dfb67ef651d5764045805ee65fb74c033
always minimize, to reinvoke the prover with nicer options and yield a nicer Isar proof (potentially -- cf. 'full_proof')

diff -r 308f3c7dfb67 -r ed380b9594b5 src/HOL/Tools/Sledgehammer/sledgehammer_prover_minimize.ML
--- a/src/HOL/Tools/Sledgehammer/sledgehammer_prover_minimize.ML	Tue Sep 30 14:01:33 2014 +0200
+++ b/src/HOL/Tools/Sledgehammer/sledgehammer_prover_minimize.ML	Tue Sep 30 14:18:07 2014 +0200
@@ -228,7 +228,7 @@
     ({state, goal, subgoal, subgoal_count, ...} : prover_problem)
     (result as {outcome, used_facts, used_from, preferred_methss, run_time, message}
      : prover_result) =
-  if is_some outcome orelse null used_facts then
+  if is_some outcome then
     result
   else
     let