Update index.html

formal-semantics/index.html

@@ -191,8 +191,9 @@ <h2> Semantics of Permission, Prohibition, and Obligation</h2>
 		which can take the values of <b>not-set</b>, or <b>violated</b>, or <b>fulfilled</b>.
 		They can become violated or fulfilled only when they are active.</li>
 
-		<li>Permission have a property called <b>deontic state</b>, 
-		which can take the value of <b>used</b>. It can become used only when it is active.</li>
+		<li>Permission have a property called <b>usage state</b>, 
+		which can take the value of <b>used</b> or <b>not-used</b>. 
+		A permission can become used only when it is active.</li>
 
 		<li>Constraint (connected to the Rule using the odrl:constraint property) has a property called
 		<b>satisfaction state</b> which can take the values of <b>satisfied</b> or <b>not-satisfied</b>. 
@@ -302,7 +303,7 @@ <h4>Semantics of Duty when it is used as an activation condition of a Permission
 <a href="https://www.w3.org/TR/odrl-model/#constraint-action">Example 14</a><br>
 	<b>Type of Permission</b>: Permission P1 permits an action that is refined by Refinement R1. <br>
 	(The permission allows the target asset to be printed, and also include a refinement of less 
-	than or equal to 1200 dpi resolution.).<br>
+	than or equal to 1200 dpi resolution).<br>
 
 	<b>Acces control scenario</b>: if the requested print action satisfies the refinement, 
 	the action is permitted otherwise it is not permitted and the system will block it.<br>
@@ -318,16 +319,22 @@ <h4>Semantics of Duty when it is used as an activation condition of a Permission
     		<th>ID</th>
     		<th>P1.R1</th>
 		<th>P1</th>
+		<th>P1.Action</th>
+		<th>P1.deontic state</th>
 	 </tr>
   	<tr>
     		<td>E14-1</td>
     		<td>not-satisfied</td>
     		<td>inactive</td>
+		<td>blocked</td>
+		<td>not used</td>
     	</tr>
   	<tr>
     		<td>E14-2</td>
     		<td>satisfied</td>
     		<td>active</td>
+		<td>performed</td>
+		<td>used</td>
     	</tr>
 	</table>
 
@@ -353,9 +360,15 @@ <h4>Semantics of Duty when it is used as an activation condition of a Permission
     		<td>active</td>
     		<td>not satisfied</td>
 		<td>performed</td>
-		<th>violation considering only P1</th>
+		<td>not-used</td>
     	</tr>
 	</table>
+	In this scenario the permission is active even if the refinement is not satisfied, because the activation state of the permission
+	is computed independently from the refinement of the regulated action.<br>
+
+	If the situation is as described in row E13-2 and assuming that P1 is the only permission
+	that regulates the print action and assuming that "everything is prohibited unless explicitly permitted", 
+	then there is a <b>violation</b> of the defaul prohibition.
 
 	<hr>