Update app.py

app.py

@@ -18,15 +18,15 @@ def validate_inputs(A, B, C, AB, AC, BC, ABC, U):
 
 def suggest_intersections(A, B, C, AB, AC, BC, ABC, U):
     # Máximos valores permitidos para las intersecciones
-    max_AB = min(A, B, U - (A + B + C - A - B))
-    max_AC = min(A, C, U - (A + B + C - A - C))
-    max_BC = min(B, C, U - (A + B + C - B - C))
+    max_AB = min(A, B, U - (A + B + C - AB - AC - BC + ABC))
+    max_AC = min(A, C, U - (A + B + C - AB - AC - BC + ABC))
+    max_BC = min(B, C, U - (A + B + C - AB - AC - BC + ABC))
     max_ABC = min(max_AB, max_AC, max_BC)
     
     # Mínimos valores permitidos para las intersecciones
-    min_AB = max(0, A + B - U)
-    min_AC = max(0, A + C - U)
-    min_BC = max(0, B + C - U)
+    min_AB = max(0, A + B - U + C)
+    min_AC = max(0, A + C - U + B)
+    min_BC = max(0, B + C - U + A)
     min_ABC = max(0, A + B + C - U)
     
     # Máximos y mínimos valores permitidos para los conjuntos
@@ -56,7 +56,7 @@ def suggest_intersections(A, B, C, AB, AC, BC, ABC, U):
     return suggestions
 
 def calculate_probabilities(A, B, C, AB, AC, BC, ABC, U):
-    total = U if U > 0 else (A + B + C)
+    total = U if U > 0 else (A + B + C - AB - AC - BC + ABC)
     if total == 0:
         return {
             "P(A)": 0,
@@ -89,8 +89,17 @@ def calculate_probabilities(A, B, C, AB, AC, BC, ABC, U):
     return formatted_probs
 
 def plot_venn(A, B, C, AB, AC, BC, ABC, U):
+    subsets = {
+        '100': A - AB - AC + ABC,
+        '010': B - AB - BC + ABC,
+        '001': C - AC - BC + ABC,
+        '110': AB - ABC,
+        '101': AC - ABC,
+        '011': BC - ABC,
+        '111': ABC
+    }
     plt.figure(figsize=(8, 8))
-    venn = venn3(subsets=(A, B, AB, C, AC, BC, ABC), set_labels=('A', 'B', 'C'))
+    venn = venn3(subsets=subsets, set_labels=('A', 'B', 'C'))
     plt.title(f"Diagrama de Venn con U = {U}")
     
     buf = BytesIO()