add test case for two nested slots

documentation added that oid is required for nested slotted atom

Author: greenTara

PSOATransRun/testsynsem/atomic_implicit_1tuple1_nested-slot/atomic_implicit_1tuple1_nested-slot-KB.psoa

@@ -7,13 +7,12 @@ RuleML(
     %     implicit tuple
     %   1 element
     %     nested atom
-    %       oid
+    %       oid (not optional, otherwise exception is thrown)
     %       single slot, no tuple
     %         constant arguments
     p(o#q(a->b))
     % Translated KB:
-    % sloterm('_1','_a','_b').
-    % memterm('_1','_q').
-    % prdtupterm('_2','_p','_1').
-    % memterm('_2','_p').
+    % sloterm('_o','_a','_b').
+    % memterm('_o','_q').
+    % '_p'('_o').
 ) )

PSOATransRun/testsynsem/atomic_implicit_1tuple1_nested-slots2/atomic_implicit_1tuple1_nested-slots2-KB.psoa

@@ -0,0 +1,19 @@
+RuleML(
+  Assert(
+    % atomic-formula expressivity
+    % relationships
+    % single tuple
+    %   dependent tuple
+    %     implicit tuple
+    %   1 element
+    %     nested atom
+    %       oid (not optional, otherwise exception is thrown)
+    %       two slots, no tuple
+    %         constant arguments
+    p(o#q(a->b c-> d))
+    % Translated KB:
+    % sloterm('_o','_a','_b').
+    % sloterm('_o','_c','_d').
+    % memterm('_o','_q').
+    % '_p'('_o').
+) )

PSOATransRun/testsynsem/atomic_implicit_1tuple1_nested-slots2/atomic_implicit_1tuple1_nested-slots2-answer1.psoa

@@ -0,0 +1 @@
+Yes

PSOATransRun/testsynsem/atomic_implicit_1tuple1_nested-slots2/atomic_implicit_1tuple1_nested-slots2-query1.psoa

@@ -0,0 +1,4 @@
+p(?#q(a->b))
+% ((sloterm(Q1,'_a','_b'),memterm(Q1,'_q')),'_p'(Q1)).
+% Correctness Criterion: Query for ground atom with implicit single tuple of 
+%  one nested atom with slot against KB containing only that ground atom answers "Yes".