Bug fix

src/main/java/de/b2tla/analysis/DefinitionsAnalyser.java

.../b2tla/analysis/transformation/DefinitionsEliminator.java

src/main/java/de/b2tla/btypes/BType.java

src/main/java/de/b2tla/btypes/BoolType.java

src/main/java/de/b2tla/btypes/FunctionType.java

src/main/java/de/b2tla/btypes/IntegerOrSetOfPairType.java

src/main/java/de/b2tla/btypes/IntegerOrSetType.java

src/main/java/de/b2tla/btypes/IntegerType.java

src/main/java/de/b2tla/btypes/ModelValueType.java

src/main/java/de/b2tla/btypes/PairType.java

src/main/java/de/b2tla/btypes/SetType.java

src/main/java/de/b2tla/btypes/StringType.java

src/main/java/de/b2tla/btypes/StructType.java

src/main/java/de/b2tla/btypes/UntypedType.java

src/main/java/de/b2tla/prettyprint/TLAPrinter.java

src/main/java/de/b2tla/tla/Generator.java

...b2tla/tlc/integration/probprivate/AssertionErrorTest.java

...t/java/de/b2tla/tlc/integration/probprivate/GoalTest.java