expanding names like defrule and undefrule.

web/thesauruses/_meta/rules_facts.json

@@ -5,10 +5,10 @@
   },
   "categories": {
     "Defining Rules": {
-	"defrule": "Defining Rules"
+	"defining_rules": "Defining Rules"
     },
     "Undefining Rules": {
-	"undefrule": "Undefining Rules"
+	"undefining_rules": "Undefining Rules"
     },
     "Asserting Facts": {
 	"assert": "Asserting Facts"

web/thesauruses/meta_info.json

@@ -32,14 +32,13 @@
     "control_structures": "Control Structures",
     "data_types": "Data Types",
     "exception_handling": "Exception Handling",
-    "facts": "Facts",
     "functions": "Functions, Methods, and Subroutines",
     "io": "Input and Output",
     "language_basics": "Basics of A Programming Language",
     "lists": "Lists, Arrays, and Hashed Lists",
     "operators": "Logical and Mathematical/Arithmetic Operators",
     "queues_stacks": "Queues and Stacks",
-    "rules": "Rules",
+    "rules_facts": "Rules and Facts",
     "strings": "Strings"
   }
 }