diff --git a/problems/example-computations.lp b/problems/example-computations.lp
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--- /dev/null
+++ b/problems/example-computations.lp
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+%defines:
+	implementation(hashlist). implementation(linkedlist). implementation(treelist). implementation(computation).
+	operation(at). operation(sort). operation(insert). operation(seqaccess).
+	connection_type(ct_inherits). connection_type(ct_convert).
+	
+	relation (recommends). relation (satisfied). relation(unsupported).
+	relation_score(satisfied, 0).
+	relation_score(recommends, 1).
+	relation_score(unsupported, -1).
+
+%integration facts:
+	relation_op(seqaccess, computation, recommends).
+	relation_op(at, hashlist, recommends). relation_op(at,treelist, satisfied).
+	relation_op(sort, linkedlist, satisfied). relation_op(sort, treelist, satisfied). relation_op(sort, hashlist, unsupported).
+
+
+
+%static analysis: 
+	var(a).var(tmp2). var(b). var(tmp3).
+
+	var_connection(a, tmp2).
+	bind_var_op(tmp2, seqaccess).
+	var_connection(tmp2, b, ct_inherits).
+	var_connection(b, tmp3).
+	bind_var_op(tmp3, seqaccess).
+
+%domain rules:
+	impl_fulfill(OP, IMPL, SCORE):- relation_op(OP, IMPL, RL), relation_score(RL, SCORE), operation(OP), implementation(IMPL), RL!=unsupported.
+	impl_not_fulfill(OP, IMPL):- relation_op(OP, IMPL, unsupported).
+
+%reasoning rules:
+	{ var_connection(VAR_FROM, VAR_TO, CT):connection_type(CT) }1 :- var_connection(VAR_FROM, VAR_TO).
+
+	var_cluster_root(VAR) :- {var_connection(VAR_F, VAR, ct_inherits): var(VAR_F)} 0, var(VAR).
+	var_cluster(VAR0, VAR_TO) :- var_connection(VAR0, VAR_TO, ct_inherits), var_cluster_root(VAR0).
+	var_cluster(VAR0, VAR_TO2) :- var_connection(VAR_TO1, VAR_TO2, ct_inherits), var_cluster(VAR0, VAR_TO1).
+	var_cluster(VAR0, VAR0):- var_cluster_root(VAR0).
+	
+	impl_fulfill_cluster(VAR0, OP, IMPL, SCORE) :- var_cluster(VAR0, VAR_ANY), bind_var_op(VAR_ANY, OP), impl_fulfill(OP, IMPL, SCORE), var_cluster_root(VAR0).
+	impl_not_fulfill_cluster(VAR0, IMPL):-var_cluster(VAR0, VAR_ANY), bind_var_op(VAR_ANY, OP), impl_not_fulfill(OP, IMPL), var_cluster_root(VAR0).
+	bind_var_impl(VAR0, IMPL, SCORE_RESULT) :-  SCORE_RESULT = #sum[impl_fulfill_cluster(VAR0, _, IMPL, SCORE) = SCORE], {impl_not_fulfill_cluster(VAR0, IMPL)}0, var_cluster_root(VAR0), implementation(IMPL).
+
+%pretty output:
+	#hide.
+	#show chosen_impl/2.
+	%#show bind_var_impl/3.
+	%#show var_cluster_owner/1.
+	%#show var_connection/3.
+	%#show bind_var_op/2.
diff --git a/project/diploma-doc.doc b/project/diploma-doc.doc
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