diff --git a/.obsidian/workspace b/.obsidian/workspace
index 5ed25a151..1a3e2e4fd 100644
--- a/.obsidian/workspace
+++ b/.obsidian/workspace
@@ -10,7 +10,7 @@
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@@ -22,7 +22,7 @@
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@@ -34,7 +34,7 @@
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@@ -46,7 +46,7 @@
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@@ -58,7 +58,7 @@
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@@ -70,7 +70,7 @@
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@@ -82,7 +82,7 @@
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@@ -112,7 +112,7 @@
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@@ -195,7 +195,7 @@
             "state": {
               "type": "backlink",
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                 "sortOrder": "alphabetical",
@@ -212,7 +212,7 @@
             "state": {
               "type": "outline",
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-                "file": "pattern theory.md"
+                "file": "2021-06-09.md"
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@@ -268,10 +268,10 @@
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     "collapsed": true
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+  "active": "8bdc92c945784bb0",
   "lastOpenFiles": [
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     "2021-06-09.md",
+    "pattern theory.md",
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     "agora mastodon integration.md",
     "agora fediverse integration.md",
diff --git a/2021-06-09.md b/2021-06-09.md
index 11677056b..2ec6a0fc7 100644
--- a/2021-06-09.md
+++ b/2021-06-09.md
@@ -4,4 +4,5 @@
 		- [[an analysis of the role of invariant patterns]]
 		- [[pattern languages of programs]]
 		- [[architectural pattern]]
-		- [[pattern theory]]
\ No newline at end of file
+		- [[pattern theory]]
+		- [[aa]]
\ No newline at end of file
diff --git a/pattern theory.md b/pattern theory.md
index 0d439ac8b..a9f329821 100644
--- a/pattern theory.md	
+++ b/pattern theory.md	
@@ -1 +1 @@
-- 
\ No newline at end of file
+- [[go]] http://www.patterntheory.org/wiki.cgi 
\ No newline at end of file