add note about testing with equals

smichr · Nov 26, 2024 · 091f47a · 091f47a
1 parent 2ebb471
commit 091f47a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/sympy/logic/boolalg.py b/sympy/logic/boolalg.py
@@ -108,6 +108,10 @@ def equals(self, other):
         For two formulas to be equal one must have the all the literals
         of the other.
 
+        Note: if there is a possibility that self is only a symbol, then
+        it is better to test as ``BooleanFunction.equals(self, other)``
+        otherwise the ``Expr.equals`` will return False.
+
         Examples
         ========