I can also get concept by name

tests/non_reg/test_sheerka_non_reg.py

@@ -359,6 +359,30 @@ as:
         assert evaluated.body == "one two three"
         assert evaluated.props["a"] == Property("a", sheerka.new(concept_a.key, body="one two").init_key())
 
+    @pytest.mark.parametrize("user_input", [
+        "def concept greetings from def hello a where a",
+        "def concept greetings from hello a where a"])
+    def test_i_can_recognize_a_concept_defined_using_from_def(self, user_input):
+        sheerka = self.get_sheerka()
+
+        greetings = sheerka.evaluate_user_input(user_input)[0].body.body
+
+        res = sheerka.evaluate_user_input("hello 'foo'")
+        assert len(res) == 1
+        assert res[0].status
+        concept_found = res[0].value
+        assert sheerka.isinstance(concept_found, greetings)
+        assert concept_found.get_prop("a") == "foo"
+        assert concept_found.metadata.need_validation
+
+        res = sheerka.evaluate_user_input("greetings")
+        assert len(res) == 1
+        assert res[0].status
+        concept_found = res[0].value
+        assert sheerka.isinstance(concept_found, greetings)
+        assert concept_found.get_prop("a") is None
+        assert not concept_found.metadata.need_validation
+
     @pytest.mark.parametrize("desc, definitions", [
         ("Simple form", [
             "def concept one as 1",