diff --git a/src/de/dhbwstuttgart/typeinference/unify/interfaces/IFiniteClosure.java b/src/de/dhbwstuttgart/typeinference/unify/interfaces/IFiniteClosure.java
index 0601d70f..3e8d8d7d 100644
--- a/src/de/dhbwstuttgart/typeinference/unify/interfaces/IFiniteClosure.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/interfaces/IFiniteClosure.java
@@ -3,11 +3,11 @@ package de.dhbwstuttgart.typeinference.unify.interfaces;
 import java.util.Optional;
 import java.util.Set;
 
-import de.dhbwstuttgart.typinference.unify.model.ExtendsType;
-import de.dhbwstuttgart.typinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typinference.unify.model.SimpleType;
-import de.dhbwstuttgart.typinference.unify.model.SuperType;
-import de.dhbwstuttgart.typinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+import de.dhbwstuttgart.typeinference.unify.model.SimpleType;
+import de.dhbwstuttgart.typeinference.unify.model.SuperType;
+import de.dhbwstuttgart.typeinference.unify.model.Type;
 
 public interface IFiniteClosure {
 	
diff --git a/src/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java b/src/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java
index c997b4ff..d2a95f3d 100644
--- a/src/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java
@@ -3,8 +3,8 @@ package de.dhbwstuttgart.typeinference.unify.interfaces;
 import java.util.Optional;
 import java.util.Set;
 
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
 import de.dhbwstuttgart.typeinference.unifynew.Unifier;
-import de.dhbwstuttgart.typinference.unify.model.MPair;
 
 public interface IRuleSet {
 	
diff --git a/src/de/dhbwstuttgart/typeinference/unify/interfaces/ITypeMapper.java b/src/de/dhbwstuttgart/typeinference/unify/interfaces/ITypeMapper.java
deleted file mode 100644
index 85efc20a..00000000
--- a/src/de/dhbwstuttgart/typeinference/unify/interfaces/ITypeMapper.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package de.dhbwstuttgart.typeinference.unify.interfaces;
-
-import de.dhbwstuttgart.typeinference.Menge;
-
-public interface ITypeMapper<T> {
-	
-}
diff --git a/src/de/dhbwstuttgart/typeinference/unify/interfaces/IUnify.java b/src/de/dhbwstuttgart/typeinference/unify/interfaces/IUnify.java
index 1f73b550..05b7e8da 100644
--- a/src/de/dhbwstuttgart/typeinference/unify/interfaces/IUnify.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/interfaces/IUnify.java
@@ -3,8 +3,8 @@ package de.dhbwstuttgart.typeinference.unify.interfaces;
 import java.util.Optional;
 import java.util.Set;
 
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
 import de.dhbwstuttgart.typeinference.unifynew.Unifier;
-import de.dhbwstuttgart.typinference.unify.model.MPair;
 
 /**
  * Standard unification algorithm (e.g. Robinson, Paterson-Wegman, Martelli-Montanari, Ruzicka-Privara or Suciu)
diff --git a/src/de/dhbwstuttgart/typinference/unify/model/ExtendsType.java b/src/de/dhbwstuttgart/typeinference/unify/model/ExtendsType.java
similarity index 91%
rename from src/de/dhbwstuttgart/typinference/unify/model/ExtendsType.java
rename to src/de/dhbwstuttgart/typeinference/unify/model/ExtendsType.java
index 2b0facaf..4eceb240 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/ExtendsType.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/model/ExtendsType.java
@@ -1,4 +1,4 @@
-package de.dhbwstuttgart.typinference.unify.model;
+package de.dhbwstuttgart.typeinference.unify.model;
 
 import java.util.Set;
 
diff --git a/src/de/dhbwstuttgart/typinference/unify/model/FiniteClosure.java b/src/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
similarity index 94%
rename from src/de/dhbwstuttgart/typinference/unify/model/FiniteClosure.java
rename to src/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
index ae36f465..9899bef4 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/FiniteClosure.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
@@ -1,4 +1,4 @@
-package de.dhbwstuttgart.typinference.unify.model;
+package de.dhbwstuttgart.typeinference.unify.model;
 
 import java.util.HashMap;
 import java.util.HashSet;
@@ -6,7 +6,7 @@ import java.util.Optional;
 import java.util.Set;
 
 import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typinference.unify.model.MPair.PairOperator;
+import de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator;
 
 public class FiniteClosure implements IFiniteClosure {
 	
diff --git a/src/de/dhbwstuttgart/typinference/unify/model/MPair.java b/src/de/dhbwstuttgart/typeinference/unify/model/MPair.java
similarity index 92%
rename from src/de/dhbwstuttgart/typinference/unify/model/MPair.java
rename to src/de/dhbwstuttgart/typeinference/unify/model/MPair.java
index 9a76f2a9..6b740c46 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/MPair.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/model/MPair.java
@@ -1,4 +1,4 @@
-package de.dhbwstuttgart.typinference.unify.model;
+package de.dhbwstuttgart.typeinference.unify.model;
 
 public class MPair {
 
diff --git a/src/de/dhbwstuttgart/typinference/unify/model/Node.java b/src/de/dhbwstuttgart/typeinference/unify/model/Node.java
similarity index 91%
rename from src/de/dhbwstuttgart/typinference/unify/model/Node.java
rename to src/de/dhbwstuttgart/typeinference/unify/model/Node.java
index e42a2608..7010ec32 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/Node.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/model/Node.java
@@ -1,4 +1,4 @@
-package de.dhbwstuttgart.typinference.unify.model;
+package de.dhbwstuttgart.typeinference.unify.model;
 
 import java.util.HashSet;
 import java.util.Set;
diff --git a/src/de/dhbwstuttgart/typinference/unify/model/PlaceholderType.java b/src/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
similarity index 89%
rename from src/de/dhbwstuttgart/typinference/unify/model/PlaceholderType.java
rename to src/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
index 7b7503ee..12ecac01 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/PlaceholderType.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
@@ -1,4 +1,4 @@
-package de.dhbwstuttgart.typinference.unify.model;
+package de.dhbwstuttgart.typeinference.unify.model;
 
 import java.util.Set;
 
diff --git a/src/de/dhbwstuttgart/typinference/unify/model/SimpleType.java b/src/de/dhbwstuttgart/typeinference/unify/model/SimpleType.java
similarity index 91%
rename from src/de/dhbwstuttgart/typinference/unify/model/SimpleType.java
rename to src/de/dhbwstuttgart/typeinference/unify/model/SimpleType.java
index 8e9e8a3f..301d5d91 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/SimpleType.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/model/SimpleType.java
@@ -1,4 +1,4 @@
-package de.dhbwstuttgart.typinference.unify.model;
+package de.dhbwstuttgart.typeinference.unify.model;
 
 import java.util.Set;
 
diff --git a/src/de/dhbwstuttgart/typinference/unify/model/SuperType.java b/src/de/dhbwstuttgart/typeinference/unify/model/SuperType.java
similarity index 91%
rename from src/de/dhbwstuttgart/typinference/unify/model/SuperType.java
rename to src/de/dhbwstuttgart/typeinference/unify/model/SuperType.java
index 15c432d2..5cc8ad63 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/SuperType.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/model/SuperType.java
@@ -1,4 +1,4 @@
-package de.dhbwstuttgart.typinference.unify.model;
+package de.dhbwstuttgart.typeinference.unify.model;
 
 import java.util.Set;
 
diff --git a/src/de/dhbwstuttgart/typinference/unify/model/Type.java b/src/de/dhbwstuttgart/typeinference/unify/model/Type.java
similarity index 90%
rename from src/de/dhbwstuttgart/typinference/unify/model/Type.java
rename to src/de/dhbwstuttgart/typeinference/unify/model/Type.java
index a9e94862..137541e6 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/Type.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/model/Type.java
@@ -1,4 +1,4 @@
-package de.dhbwstuttgart.typinference.unify.model;
+package de.dhbwstuttgart.typeinference.unify.model;
 
 import java.util.Set;
 
diff --git a/src/de/dhbwstuttgart/typinference/unify/model/TypeParams.java b/src/de/dhbwstuttgart/typeinference/unify/model/TypeParams.java
similarity index 92%
rename from src/de/dhbwstuttgart/typinference/unify/model/TypeParams.java
rename to src/de/dhbwstuttgart/typeinference/unify/model/TypeParams.java
index d723395d..d56a80b0 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/TypeParams.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/model/TypeParams.java
@@ -1,4 +1,4 @@
-package de.dhbwstuttgart.typinference.unify.model;
+package de.dhbwstuttgart.typeinference.unify.model;
 
 import java.util.Arrays;
 import java.util.Iterator;
diff --git a/src/de/dhbwstuttgart/typeinference/unifynew/Mapping.java b/src/de/dhbwstuttgart/typeinference/unifynew/Mapping.java
index d21c5b60..97c2823f 100644
--- a/src/de/dhbwstuttgart/typeinference/unifynew/Mapping.java
+++ b/src/de/dhbwstuttgart/typeinference/unifynew/Mapping.java
@@ -2,68 +2,90 @@ package de.dhbwstuttgart.typeinference.unifynew;
 
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.Iterator;
+import java.util.Optional;
 import java.util.Set;
+import java.util.stream.Collectors;
 
-import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
-import de.dhbwstuttgart.syntaxtree.type.FunN;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
-import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
-import de.dhbwstuttgart.syntaxtree.type.Type;
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-import de.dhbwstuttgart.typeinference.exceptions.NotImplementedException;
-
-/**
- * First three bits indicate the meta type:
- * 		000b = 0 = Simpletype
- * 		001b = 1 = Extends
- * 		010b = 2 = Super
- * 		011b = 3 = Type Placeholder
- * 		100b = 4 = Function
- * 
- * @author DH10STF
- *
- */
 public class Mapping {
 	
-	private static final int ST_MASK = 0;
-	private static final int EXTENDS_MASK = 536870912;
-	private static final int SUPER_MASK = 1073741824;
-	private static final int TPH_MASK = 1610612736;
-	private static final int FUN_MASK = -2147483648;
+	private HashMap<de.dhbwstuttgart.typeinference.unify.model.Type, de.dhbwstuttgart.syntaxtree.type.Type> backwardMap = new HashMap<>();
+	private HashMap<de.dhbwstuttgart.syntaxtree.type.Type, de.dhbwstuttgart.typeinference.unify.model.Type> forwardMap = new HashMap<>();
+	private Set<de.dhbwstuttgart.typeinference.unify.model.Type> irreversible = new HashSet<>();
 	
-	private static HashMap<Type, Type> mapping;
-	
-	public Set<Type> createMapping(Iterable<Type> types) {
-		mapping = new HashMap<>();
-		
-		Iterator<Type> iterator = types.iterator();
-		while(iterator.hasNext() && mapping.size() <= 536870911)
-			createMapping(iterator.next());
-		
-		return mapping.keySet();
+	public Mapping(Set<de.dhbwstuttgart.syntaxtree.type.Type> types) {
+		for(de.dhbwstuttgart.syntaxtree.type.Type t : types) {
+			// TODO	
+		}
 	}
 	
-	private void createMapping(Type type) {
-		/*if(type instanceof RefType) {
-			Set<Type> params = ((RefType) type).get_ParaList();
-			params.stream().forEach(x -> createMapping(x));
+	public de.dhbwstuttgart.typeinference.unify.model.Type map(de.dhbwstuttgart.syntaxtree.type.Type type) {
+		return forwardMap.get(type);
+	}
+	
+	public de.dhbwstuttgart.typeinference.unify.model.MPair map(de.dhbwstuttgart.typeinference.Pair pair) {
+		return new de.dhbwstuttgart.typeinference.unify.model.MPair(forwardMap.get(pair.TA1), forwardMap.get(pair.TA2), mapOp(pair.GetOperator()));
+	}
+	
+	public Set<de.dhbwstuttgart.typeinference.unify.model.Type> mapTypeSet(Set<de.dhbwstuttgart.syntaxtree.type.Type> types) {
+		return types.stream().map(this::map).collect(Collectors.toCollection(HashSet::new));
+	}
+	
+	public Set<de.dhbwstuttgart.typeinference.unify.model.MPair> mapPairSet(Set<de.dhbwstuttgart.typeinference.Pair> pairs) {
+		return pairs.stream().map(this::map).collect(Collectors.toCollection(HashSet::new));
+	}
+	
+	public Optional<de.dhbwstuttgart.syntaxtree.type.Type> unmap(de.dhbwstuttgart.typeinference.unify.model.Type type) {
+		return irreversible.contains(type) ? Optional.of(backwardMap.get(type)) : Optional.empty();
+	}
+	
+	public Optional<de.dhbwstuttgart.typeinference.Pair> unmap(de.dhbwstuttgart.typeinference.unify.model.MPair mpair) {
+		de.dhbwstuttgart.typeinference.unify.model.Type lhs = mpair.getLhsType();
+		de.dhbwstuttgart.typeinference.unify.model.Type rhs = mpair.getRhsType();
+		
+		if(irreversible.contains(lhs) || irreversible.contains(rhs))
+			return Optional.empty();
+		return Optional.of(new de.dhbwstuttgart.typeinference.Pair(backwardMap.get(lhs), backwardMap.get(rhs), unmapOp(mpair.getPairOp())));
+	}
+	
+	public Optional<Set<de.dhbwstuttgart.syntaxtree.type.Type>> unmapTypeSet(Set<de.dhbwstuttgart.typeinference.unify.model.Type> types) {
+		Set<de.dhbwstuttgart.syntaxtree.type.Type> result = types.stream().map(this::unmap).filter(x -> x.isPresent()).map(x -> x.get()).collect(Collectors.toCollection(HashSet::new));
+		return result.size() == types.size() ? Optional.of(result) : Optional.empty();
+	}
+	
+	public Optional<Set<de.dhbwstuttgart.typeinference.Pair>> unmapPairSet(Set<de.dhbwstuttgart.typeinference.unify.model.MPair> pairs) {
+		Set<de.dhbwstuttgart.typeinference.Pair> result = pairs.stream().map(this::unmap).filter(x -> x.isPresent()).map(x -> x.get()).collect(Collectors.toCollection(HashSet::new));
+		return result.size() == pairs.size() ? Optional.of(result) : Optional.empty();
+	}
+	
+	private de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator mapOp(de.dhbwstuttgart.typeinference.Pair.PairOperator op) {
+		/*
+		 * TODO
+		 * Warum hat der PairOp nur drei Werte? Wie wird SMALLERDOTWC etc im anderen Pair geregelt?
+		 */
+		
+		switch(op) {
+			case Equal: 
+				return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.EQUALS;
+			case Smaller: 
+				return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.SMALLER;
+			case SmallerExtends: 
+				return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.SMALLERDOT;
+			default: 
+				return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.EQUALS;
+		}
+	}
+	
+	private de.dhbwstuttgart.typeinference.Pair.PairOperator unmapOp(de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator op) {
+		switch(op) {
+			case EQUALS:
+				return de.dhbwstuttgart.typeinference.Pair.PairOperator.Equal;
+			case SMALLER:
+				return de.dhbwstuttgart.typeinference.Pair.PairOperator.Smaller;
+			case SMALLERDOT:
+				return de.dhbwstuttgart.typeinference.Pair.PairOperator.SmallerExtends;
+			default:
+				return de.dhbwstuttgart.typeinference.Pair.PairOperator.Equal;
 		}
-		*/
-		int typeId = mapping.size();
-		
-		if(type instanceof RefType)
-			typeId |= ST_MASK;
-		else if(type instanceof SuperWildcardType)
-			typeId |= SUPER_MASK;
-		else if(type instanceof ExtendsWildcardType)
-			typeId |= EXTENDS_MASK;
-		else if(type instanceof TypePlaceholder)
-			typeId |= TPH_MASK;
-		else if(type instanceof FunN)
-			typeId |= FUN_MASK;
-		
-		//mapping.put(new MType())
 	}
 	
 }
diff --git a/src/de/dhbwstuttgart/typeinference/unifynew/MartelliMontanariUnify.java b/src/de/dhbwstuttgart/typeinference/unifynew/MartelliMontanariUnify.java
index 0f626010..12666fe4 100644
--- a/src/de/dhbwstuttgart/typeinference/unifynew/MartelliMontanariUnify.java
+++ b/src/de/dhbwstuttgart/typeinference/unifynew/MartelliMontanariUnify.java
@@ -9,11 +9,11 @@ import java.util.Stack;
 import java.util.stream.Collectors;
 
 import de.dhbwstuttgart.typeinference.unify.interfaces.IUnify;
-import de.dhbwstuttgart.typinference.unify.model.MPair;
-import de.dhbwstuttgart.typinference.unify.model.MPair.PairOperator;
-import de.dhbwstuttgart.typinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typinference.unify.model.Type;
-import de.dhbwstuttgart.typinference.unify.model.TypeParams;
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+import de.dhbwstuttgart.typeinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
+import de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator;
 
 /**
  * Implementation of the Martelli-Montanari unification algorithm.
diff --git a/src/de/dhbwstuttgart/typeinference/unifynew/RuleSet.java b/src/de/dhbwstuttgart/typeinference/unifynew/RuleSet.java
index c401be4a..a045a9d2 100644
--- a/src/de/dhbwstuttgart/typeinference/unifynew/RuleSet.java
+++ b/src/de/dhbwstuttgart/typeinference/unifynew/RuleSet.java
@@ -13,14 +13,14 @@ import java.util.stream.Collectors;
 import junit.framework.Assert;
 import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
 import de.dhbwstuttgart.typeinference.unify.interfaces.IRuleSet;
-import de.dhbwstuttgart.typinference.unify.model.ExtendsType;
-import de.dhbwstuttgart.typinference.unify.model.MPair;
-import de.dhbwstuttgart.typinference.unify.model.MPair.PairOperator;
-import de.dhbwstuttgart.typinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typinference.unify.model.SimpleType;
-import de.dhbwstuttgart.typinference.unify.model.SuperType;
-import de.dhbwstuttgart.typinference.unify.model.Type;
-import de.dhbwstuttgart.typinference.unify.model.TypeParams;
+import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+import de.dhbwstuttgart.typeinference.unify.model.SimpleType;
+import de.dhbwstuttgart.typeinference.unify.model.SuperType;
+import de.dhbwstuttgart.typeinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
+import de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator;
 
 public class RuleSet implements IRuleSet{
 
diff --git a/src/de/dhbwstuttgart/typeinference/unifynew/Unifier.java b/src/de/dhbwstuttgart/typeinference/unifynew/Unifier.java
index db821905..82e8d31e 100644
--- a/src/de/dhbwstuttgart/typeinference/unifynew/Unifier.java
+++ b/src/de/dhbwstuttgart/typeinference/unifynew/Unifier.java
@@ -4,9 +4,9 @@ import java.util.Set;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
-import de.dhbwstuttgart.typinference.unify.model.MPair;
-import de.dhbwstuttgart.typinference.unify.model.Type;
-import de.dhbwstuttgart.typinference.unify.model.TypeParams;
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
+import de.dhbwstuttgart.typeinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
 
 public class Unifier implements Function<Type, Type> {
 	private Type source;
diff --git a/src/de/dhbwstuttgart/typeinference/unifynew/Unify.java b/src/de/dhbwstuttgart/typeinference/unifynew/Unify.java
index 49efd39d..800ce767 100644
--- a/src/de/dhbwstuttgart/typeinference/unifynew/Unify.java
+++ b/src/de/dhbwstuttgart/typeinference/unifynew/Unify.java
@@ -16,12 +16,12 @@ import de.dhbwstuttgart.typeinference.exceptions.NotImplementedException;
 import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
 import de.dhbwstuttgart.typeinference.unify.interfaces.IRuleSet;
 import de.dhbwstuttgart.typeinference.unify.interfaces.ISetOperations;
-import de.dhbwstuttgart.typinference.unify.model.ExtendsType;
-import de.dhbwstuttgart.typinference.unify.model.MPair;
-import de.dhbwstuttgart.typinference.unify.model.MPair.PairOperator;
-import de.dhbwstuttgart.typinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typinference.unify.model.SuperType;
-import de.dhbwstuttgart.typinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+import de.dhbwstuttgart.typeinference.unify.model.SuperType;
+import de.dhbwstuttgart.typeinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator;
 
 
 /**
diff --git a/test/unify/FiniteClosureBuilder.java b/test/unify/FiniteClosureBuilder.java
index 815d637d..20552468 100644
--- a/test/unify/FiniteClosureBuilder.java
+++ b/test/unify/FiniteClosureBuilder.java
@@ -4,10 +4,10 @@ import java.util.HashSet;
 import java.util.Set;
 
 import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typinference.unify.model.FiniteClosure;
-import de.dhbwstuttgart.typinference.unify.model.MPair;
-import de.dhbwstuttgart.typinference.unify.model.MPair.PairOperator;
-import de.dhbwstuttgart.typinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.FiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
+import de.dhbwstuttgart.typeinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator;
 
 public class FiniteClosureBuilder {
 	
diff --git a/test/unify/FiniteClosureTest.java b/test/unify/FiniteClosureTest.java
index d3744abe..04017908 100644
--- a/test/unify/FiniteClosureTest.java
+++ b/test/unify/FiniteClosureTest.java
@@ -6,8 +6,8 @@ import java.util.Set;
 import org.junit.Test;
 
 import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typinference.unify.model.MPair;
-import de.dhbwstuttgart.typinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
+import de.dhbwstuttgart.typeinference.unify.model.Type;
 
 public class FiniteClosureTest {
 	
diff --git a/test/unify/RuleSetTest.java b/test/unify/RuleSetTest.java
index fa08b1e7..1fe1359d 100644
--- a/test/unify/RuleSetTest.java
+++ b/test/unify/RuleSetTest.java
@@ -9,12 +9,12 @@ import junit.framework.Assert;
 import org.junit.Test;
 
 import de.dhbwstuttgart.typeinference.unify.interfaces.IRuleSet;
+import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
+import de.dhbwstuttgart.typeinference.unify.model.SimpleType;
+import de.dhbwstuttgart.typeinference.unify.model.SuperType;
+import de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator;
 import de.dhbwstuttgart.typeinference.unifynew.RuleSet;
-import de.dhbwstuttgart.typinference.unify.model.ExtendsType;
-import de.dhbwstuttgart.typinference.unify.model.MPair;
-import de.dhbwstuttgart.typinference.unify.model.MPair.PairOperator;
-import de.dhbwstuttgart.typinference.unify.model.SimpleType;
-import de.dhbwstuttgart.typinference.unify.model.SuperType;
 
 
 public class RuleSetTest {
diff --git a/test/unify/StandardUnifyTest.java b/test/unify/StandardUnifyTest.java
index 41aff15f..33b4bde9 100644
--- a/test/unify/StandardUnifyTest.java
+++ b/test/unify/StandardUnifyTest.java
@@ -8,10 +8,10 @@ import junit.framework.Assert;
 import org.junit.Test;
 
 import de.dhbwstuttgart.typeinference.unify.interfaces.IUnify;
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
+import de.dhbwstuttgart.typeinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator;
 import de.dhbwstuttgart.typeinference.unifynew.MartelliMontanariUnify;
-import de.dhbwstuttgart.typinference.unify.model.MPair;
-import de.dhbwstuttgart.typinference.unify.model.Type;
-import de.dhbwstuttgart.typinference.unify.model.MPair.PairOperator;
 
 public class StandardUnifyTest {
 	
diff --git a/test/unify/TypeFactory.java b/test/unify/TypeFactory.java
index 46b6f7bf..7fb896ae 100644
--- a/test/unify/TypeFactory.java
+++ b/test/unify/TypeFactory.java
@@ -3,11 +3,11 @@ package unify;
 import java.util.Arrays;
 import java.util.stream.Collectors;
 
-import de.dhbwstuttgart.typinference.unify.model.ExtendsType;
-import de.dhbwstuttgart.typinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typinference.unify.model.SimpleType;
-import de.dhbwstuttgart.typinference.unify.model.SuperType;
-import de.dhbwstuttgart.typinference.unify.model.Type;
+import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
+import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
+import de.dhbwstuttgart.typeinference.unify.model.SimpleType;
+import de.dhbwstuttgart.typeinference.unify.model.SuperType;
+import de.dhbwstuttgart.typeinference.unify.model.Type;
 
 public class TypeFactory {
 	
diff --git a/test/unify/UnifyTest.java b/test/unify/UnifyTest.java
index 356f6029..b1580d75 100644
--- a/test/unify/UnifyTest.java
+++ b/test/unify/UnifyTest.java
@@ -6,9 +6,9 @@ import java.util.Set;
 import org.junit.Test;
 
 import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
+import de.dhbwstuttgart.typeinference.unify.model.MPair;
+import de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator;
 import de.dhbwstuttgart.typeinference.unifynew.Unify;
-import de.dhbwstuttgart.typinference.unify.model.MPair;
-import de.dhbwstuttgart.typinference.unify.model.MPair.PairOperator;
 
 public class UnifyTest extends Unify {