diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
index dbd306c3..41a56325 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
@@ -10511,78 +10511,74 @@
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-        <node concept="3clFbS" id="12QmIo_7slA" role="1nLNMH">
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-                  <node concept="aZer4" id="5crgrygExs3" role="3XD1gS">
-                    <property role="TrG5h" value="T" />
-                  </node>
+    <node concept="1nLNMY" id="12QmIo_7sl_" role="1nK1Vg">
+      <property role="TrG5h" value="value_containedIn_reflexive" />
+      <node concept="3clFbS" id="12QmIo_7slA" role="1nLNMH">
+        <node concept="1nLNNL" id="12QmIo_7slB" role="3cqZAp">
+          <node concept="1nLNMm" id="12QmIo_7slC" role="1nLNNK">
+            <node concept="0eUR_" id="7lt0LtPBjUh" role="0UC6o">
+              <node concept="3NuqgR" id="5crgrygExrT" role="0eVf_">
+                <node concept="aZer4" id="5crgrygExrU" role="3XD1gS">
+                  <property role="TrG5h" value="S" />
+                </node>
+                <node concept="aZer4" id="5crgrygExs3" role="3XD1gS">
+                  <property role="TrG5h" value="T" />
                 </node>
               </node>
-              <node concept="3Aq93q" id="4peSo3CwOLu" role="1nLNMb">
-                <property role="3ArMco" value="false" />
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-                        <ref role="a7OzE" node="5crgrygExs3" resolve="T" />
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+            <node concept="3Aq93q" id="4peSo3CwOLu" role="1nLNMb">
+              <property role="3ArMco" value="false" />
+              <node concept="3I6sU6" id="4nIWweBxP_i" role="3Ip0Jz">
+                <node concept="3I6s7M" id="4nIWweBxP_j" role="3I6sU7">
+                  <node concept="3Aqt3T" id="4peSo3Cx0MK" role="3I6s78">
+                    <ref role="3AqCNq" node="6KkyQm4aRV3" resolve="containedIn" />
+                    <node concept="a7P8L" id="4peSo3Cx0ML" role="3AunhB">
+                      <ref role="a7OzE" node="5crgrygExrU" resolve="S" />
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+                    <node concept="a7P8L" id="4peSo3Cx0MM" role="3AunhB">
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+                    <node concept="a7P8L" id="623frvF_xU8" role="2aLmnP">
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-                        <ref role="a7OzE" node="5crgrygExrU" resolve="S" />
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+                    <node concept="a7P8L" id="4peSo3Cx2ii" role="3A8wtg">
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-                        <ref role="a7OzE" node="5crgrygExrU" resolve="S" />
-                      </node>
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+            <node concept="3Aq9E8" id="4peSo3CwOLs" role="1nLNMd">
+              <node concept="3I6sU6" id="4nIWweBxPAy" role="3Ip0Jz">
+                <node concept="3I6s7M" id="4nIWweBxPAz" role="3I6sU7">
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+                      <ref role="a7OzE" node="5crgrygExs3" resolve="T" />
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+                    <node concept="a7P8L" id="44o2wihh9$Q" role="3A8wtg">
+                      <ref role="a7OzE" node="5crgrygExrU" resolve="S" />
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@@ -10592,57 +10588,61 @@
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-                </node>
-                <node concept="aZer4" id="3jXBvmTFgtj" role="3XD1gS">
-                  <property role="TrG5h" value="T" />
+    <node concept="1X3_iC" id="3R6X$QWznse" role="lGtFl">
+      <property role="3V$3am" value="template" />
+      <property role="3V$3ak" value="c4803b19-6d89-4a3b-bf82-390769514add/8335224865066015764/3575255234175157601" />
+      <node concept="1nLNMY" id="12QmIo_7slD" role="8Wnug">
+        <property role="TrG5h" value="var_containedIn_reflexive" />
+        <node concept="3clFbS" id="12QmIo_7slE" role="1nLNMH">
+          <node concept="1nLNNL" id="12QmIo_7slF" role="3cqZAp">
+            <node concept="1nLNMm" id="12QmIo_7slG" role="1nLNNK">
+              <node concept="0eUR_" id="7lt0LtPBjUd" role="0UC6o">
+                <node concept="3NuqgR" id="3jXBvmTFgth" role="0eVf_">
+                  <node concept="aZer4" id="3jXBvmTFgti" role="3XD1gS">
+                    <property role="TrG5h" value="S" />
+                  </node>
+                  <node concept="aZer4" id="3jXBvmTFgtj" role="3XD1gS">
+                    <property role="TrG5h" value="T" />
+                  </node>
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-            <node concept="3Aq93q" id="3jXBvmTFgtg" role="1nLNMb">
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+                <property role="3ArMco" value="false" />
+                <node concept="3I6sU6" id="4nIWweBxPB3" role="3Ip0Jz">
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+              <node concept="3Aq9_M" id="3jXBvmTFgtp" role="1nLNMa">
+                <node concept="3I6sU6" id="4nIWweBxPGH" role="3Ip0Jz">
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+                      <node concept="a7P8L" id="3R6X$QWeZ1F" role="3GeI8D">
+                        <ref role="a7OzE" node="3jXBvmTFgtj" resolve="T" />
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-                    <node concept="3clFbT" id="3jXBvmTFgtY" role="3wWo3s">
-                      <property role="3clFbU" value="true" />
+              <node concept="3Aq9E8" id="3jXBvmTFgtU" role="1nLNMd">
+                <node concept="3I6sU6" id="4nIWweBxQz7" role="3Ip0Jz">
+                  <node concept="3I6s7M" id="4nIWweBxQz8" role="3I6sU7">
+                    <node concept="3wWvb2" id="3jXBvmTFgtX" role="3I6s78">
+                      <node concept="3clFbT" id="3jXBvmTFgtY" role="3wWo3s">
+                        <property role="3clFbU" value="true" />
+                      </node>
                     </node>
                   </node>
                 </node>
@@ -14996,7 +14996,7 @@
       </node>
     </node>
     <node concept="1nLNMY" id="12QmIo_7siC" role="1nK1Vg">
-      <property role="TrG5h" value="converts_free_to_ground" />
+      <property role="TrG5h" value="converts_free_and_ground" />
       <node concept="3clFbS" id="12QmIo_7siD" role="1nLNMH">
         <node concept="3SKdUt" id="3R6X$QWb7uN" role="3cqZAp">
           <node concept="1PaTwC" id="3R6X$QWb7uO" role="3ndbpf">
@@ -15004,7 +15004,10 @@
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             </node>
             <node concept="3oM_SD" id="3R6X$QWb7zb" role="1PaTwD">
-              <property role="3oM_SC" value="T" />
+              <property role="3oM_SC" value="free" />
+            </node>
+            <node concept="3oM_SD" id="3R6X$QWxx$o" role="1PaTwD">
+              <property role="3oM_SC" value="var" />
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             <node concept="3oM_SD" id="3R6X$QWb7ze" role="1PaTwD">
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@@ -15039,14 +15042,12 @@
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-            <node concept="3oM_SD" id="3R6X$QWb8mB" role="1PaTwD">
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-            <node concept="3oM_SD" id="3R6X$QWb8yh" role="1PaTwD">
-              <property role="3oM_SC" value="TBnd)" />
+            <node concept="3oM_SD" id="3R6X$QWxxK2" role="1PaTwD">
+              <property role="3oM_SC" value="hasBound()" />
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@@ -15058,11 +15059,6 @@
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@@ -15114,6 +15110,69 @@
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+                  <property role="TrG5h" value="T" />
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+            <node concept="3Aq93q" id="3R6X$QWxx9t" role="1nLNMb">
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+                      <ref role="a7OzE" node="3R6X$QWxx9p" resolve="S" />
+                    </node>
+                    <node concept="a7P8L" id="3R6X$QWxx9K" role="3A8w4Q">
+                      <ref role="a7OzE" node="3R6X$QWxx9q" resolve="T" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
       </node>
     </node>
     <node concept="1nLNMY" id="12QmIo_7siG" role="1nK1Vg">
@@ -32244,20 +32303,6 @@
         </node>
       </node>
     </node>
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-      <property role="TrG5h" value="toTypeVariableType" />
-      <node concept="1zAUYm" id="4ObboSf9uTs" role="1zAUyy">
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-        <node concept="3SKdUq" id="4ObboSf9uTv" role="27qylF">
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     <node concept="1nLNMY" id="12QmIo_7sey" role="1nK1Vg">
       <property role="TrG5h" value="intro_hasBound" />
       <node concept="3clFbS" id="12QmIo_7sez" role="1nLNMH">
@@ -32549,183 +32594,6 @@
         </node>
       </node>
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-      <node concept="3clFbS" id="4ObboSf9Dbx" role="1nLNMH">
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-                      <ref role="a7OzE" node="4ObboSf9LLI" resolve="Var" />
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-                      <ref role="a7OzE" node="4ObboSf9LLJ" resolve="Bnd" />
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-                      <ref role="ns1xF" node="JOGAOsVt2f" resolve="typeVariableType" />
-                      <node concept="nsMwS" id="4ObboSfawB1" role="ns1xD">
-                        <ref role="nsMwP" node="JOGAOsVt2h" resolve="declaration" />
-                        <node concept="1nq8_$" id="4ObboSfaxAp" role="nsMwV">
-                          <node concept="a7P8L" id="4ObboSfaxAn" role="1nq8_t">
-                            <ref role="a7OzE" node="4ObboSf9Spq" resolve="TypeVarDecl" />
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-                      <node concept="nsMwS" id="4ObboSfaxAA" role="ns1xD">
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-                        <node concept="1nq8_$" id="4ObboSfayV7" role="nsMwV">
-                          <node concept="a7P8L" id="4ObboSfayV5" role="1nq8_t">
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-                        <node concept="ns1u0" id="4ObboSfb1GH" role="3A8w4Q">
-                          <ref role="ns1xF" node="JOGAOsVt2a" resolve="classifierType" />
-                          <node concept="nsMwS" id="4ObboSfb21P" role="ns1xD">
-                            <ref role="nsMwP" node="JOGAOsVt2c" resolve="classifier" />
-                            <node concept="2tJFMh" id="4ObboSfb31b" role="nsMwV">
-                              <node concept="ZC_QK" id="4ObboSfb3Fv" role="2tJFKM">
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-                        <node concept="ns1u0" id="4ObboSfaX0Y" role="3A8w4Q">
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-                              <node concept="a7P8L" id="4ObboSfaX11" role="1nq8_t">
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