diff --git a/brel/brel_fact.py b/brel/brel_fact.py
index 5917e913..8f64727d 100644
--- a/brel/brel_fact.py
+++ b/brel/brel_fact.py
@@ -54,13 +54,9 @@ def __init__(
         self.__context: Context = context
         self.__value: str = value
 
-    # first class citizens
-    # TODO think about this. is the id attribute an implementation detail?
     def _get_id(self) -> str | None:
-        """
-        :returns str|None: The id of the fact. Returns None if the fact does not have an id.
-        """
-        return self.__id
+        """[DEPRECATED] Use get_id() instead."""
+        return self.get_id()
 
     def get_id(self) -> str | None:
         """
@@ -81,6 +77,10 @@ def get_value_as_str(self) -> str:
         return self.__value
 
     def get_value_as_int(self) -> int:
+        """[DEPRECATED] Use int() instead."""
+        return int(self)
+
+    def __int__(self) -> int:
         """
         :returns int: The value of the fact as an int
         :raises ValueError: If the value of the fact does not resolve to an int
@@ -93,6 +93,10 @@ def get_value_as_int(self) -> int:
             )
 
     def get_value_as_float(self) -> float:
+        """[DEPRECATED] Use float() instead."""
+        return float(self)
+
+    def __float__(self) -> float:
         """
         :returns float: The value of the fact as a float
         :raises ValueError: If the value of the fact does not resolve to a float
@@ -105,6 +109,10 @@ def get_value_as_float(self) -> float:
             )
 
     def get_value_as_bool(self) -> bool:
+        """[DEPRECATED] Use bool() instead."""
+        return bool(self)
+
+    def __bool__(self) -> bool:
         """
         :returns bool: The value of the fact as a bool
         :raises ValueError: If the value of the fact does not resolve to a bool
@@ -115,7 +123,7 @@ def get_value_as_bool(self) -> bool:
             return False
         else:
             raise ValueError(
-                f"Fact {self.__id} does not have a bool value. It has value {self.__value}, which does not resolve to a bool"
+                f"Fact {self.__id} does not have a bool value. It has value {self.__value}, which does not resolve to a bool."
             )
 
     def get_value(self) -> str:
@@ -125,9 +133,15 @@ def get_value(self) -> str:
         return self.__value
 
     def get_precision(self) -> float | None:
+        """
+        :returns Any: The precision of the fact. Only applies to numeric facts.
+        """
         return self.__precision
 
     def get_decimals(self) -> float | None:
+        """
+        :returns Any: The decimals property of the fact. Only applies to numeric facts.
+        """
         return self.__decimals
 
     def __str__(self) -> str:
@@ -202,6 +216,9 @@ def get_characteristic(self, aspect: Aspect) -> ICharacteristic | None:
         """
         return self.__context.get_characteristic(aspect)
 
+    def __iter__(self):
+        return iter(self.convert_to_dict().items())
+
     def convert_to_dict(
         self,
         languages: Optional[List[str]] = None,
diff --git a/brel/parsers/XML/networks/xml_extended_link_parser.py b/brel/parsers/XML/networks/xml_extended_link_parser.py
index 206089d3..579f7a03 100644
--- a/brel/parsers/XML/networks/xml_extended_link_parser.py
+++ b/brel/parsers/XML/networks/xml_extended_link_parser.py
@@ -146,7 +146,7 @@ def parse_xml_link(
                 IResource | IReportElement | Fact
             ] = get_object_from_reference(link_element, context)
 
-            if not to_object:
+            if to_object is None:
                 continue
 
             node_arcs = node_to_arcs[label]