testNumberXUnify
Tests the query
?- `=`(X,1).Content copied to clipboard
succeeds on a solver initialized with default built-ins and with and empty theory, producing 1 solution which binds variable X to the value 1.
Tests the query
?- `=`(X,1).succeeds on a solver initialized with default built-ins and with and empty theory, producing 1 solution which binds variable X to the value 1.