diff --git a/src/core/builtin_helpers.py b/src/core/builtin_helpers.py
index 0a24050..eb39254 100644
--- a/src/core/builtin_helpers.py
+++ b/src/core/builtin_helpers.py
@@ -790,7 +790,7 @@ def is_a_question(context, concept):
         return False
 
     node = res.body.body
-    from parsers.expressions import IsAQuestionVisitor
+    from parsers.BaseExpressionParser import IsAQuestionVisitor
     return IsAQuestionVisitor().is_a_question(node)
 
 
diff --git a/src/core/sheerka/Sheerka.py b/src/core/sheerka/Sheerka.py
index 7a33f6d..1c6d047 100644
--- a/src/core/sheerka/Sheerka.py
+++ b/src/core/sheerka/Sheerka.py
@@ -278,7 +278,9 @@ class Sheerka(Concept):
         """
         core.utils.import_module_and_sub_module("parsers")
         base_class = core.utils.get_class("parsers.BaseParser.BaseParser")
-        modules_to_skip = ["parsers.BaseNodeParser", "parsers.BaseCustomGrammarParser"]
+        modules_to_skip = ["parsers.BaseNodeParser",
+                           "parsers.BaseCustomGrammarParser",
+                           "parsers.BaseExpressionParser"]
 
         temp_result = {}
         for parser in core.utils.get_sub_classes("parsers", base_class):
diff --git a/src/core/sheerka/services/SheerkaEvaluateConcept.py b/src/core/sheerka/services/SheerkaEvaluateConcept.py
index 5d3d385..9e219ab 100644
--- a/src/core/sheerka/services/SheerkaEvaluateConcept.py
+++ b/src/core/sheerka/services/SheerkaEvaluateConcept.py
@@ -13,7 +13,7 @@ from core.tokenizer import Tokenizer
 from core.utils import unstr_concept
 from parsers.BaseNodeParser import ConceptNode
 from parsers.LogicalOperatorParser import LogicalOperatorParser
-from parsers.expressions import TrueifyVisitor
+from parsers.BaseExpressionParser import TrueifyVisitor
 
 CONCEPT_EVALUATION_STEPS = [
     BuiltinConcepts.BEFORE_EVALUATION,
diff --git a/src/core/sheerka/services/SheerkaRuleManager.py b/src/core/sheerka/services/SheerkaRuleManager.py
index a0f58ed..45f9550 100644
--- a/src/core/sheerka/services/SheerkaRuleManager.py
+++ b/src/core/sheerka/services/SheerkaRuleManager.py
@@ -20,7 +20,7 @@ from evaluators.PythonEvaluator import PythonEvaluator, Expando
 from parsers.BaseNodeParser import SourceCodeWithConceptNode, ConceptNode, SourceCodeNode
 from parsers.LogicalOperatorParser import LogicalOperatorParser
 from parsers.PythonParser import PythonNode
-from parsers.expressions import AndNode
+from parsers.BaseExpressionParser import AndNode
 from sheerkarete.conditions import AndConditions
 
 CONCEPTS_ONLY_PARSERS = ["ExactConcept", "Bnf", "Sya", "Sequence"]
diff --git a/src/parsers/expressions.py b/src/parsers/BaseExpressionParser.py
similarity index 95%
rename from src/parsers/expressions.py
rename to src/parsers/BaseExpressionParser.py
index 1b70455..e83387a 100644
--- a/src/parsers/expressions.py
+++ b/src/parsers/BaseExpressionParser.py
@@ -1,10 +1,11 @@
 from dataclasses import dataclass
 from typing import List, Tuple, Union
 
-from core.tokenizer import Token, TokenKind, Tokenizer
+from core.sheerka.services.SheerkaExecute import ParserInput
+from core.tokenizer import Token, TokenKind, Tokenizer, LexerError
 from core.utils import tokens_are_matching
 from parsers.BaseNodeParser import UnrecognizedTokensNode
-from parsers.BaseParser import Node, ParsingError
+from parsers.BaseParser import Node, ParsingError, BaseParser
 
 
 class ComparisonType:
@@ -328,6 +329,23 @@ class FunctionNode(ExprNode):
     parameters: Union[None, List[FunctionParameter]]
 
 
+class BaseExpressionParser(BaseParser):
+
+    def parse_input(self, context, parser_input, error_sink):
+        raise NotImplementedError
+
+    def reset_parser_input(self, parser_input: ParserInput, error_sink):
+        try:
+            error_sink.clear()
+            parser_input.reset(self.yield_eof)
+        except LexerError as e:
+            error_sink.add_error(e)
+            return False
+
+        parser_input.next_token()
+        return True
+
+
 class ExpressionVisitor:
     """
     Pyhtonic implementation of visitors for ExprNode
diff --git a/src/parsers/BaseParser.py b/src/parsers/BaseParser.py
index b7834c1..dba95a6 100644
--- a/src/parsers/BaseParser.py
+++ b/src/parsers/BaseParser.py
@@ -9,6 +9,21 @@ from core.sheerka.services.SheerkaExecute import ParserInput
 from core.tokenizer import TokenKind, Token, LexerError
 
 
+class ErrorSink:
+    def __init__(self):
+        self.sink = []
+
+    def add_error(self, error):
+        self.sink.append(error)
+
+    def clear(self):
+        self.sink.clear()
+
+    @property
+    def has_error(self):
+        return len(self.sink) > 0
+
+
 @dataclass()
 class Node:
     pass
@@ -244,34 +259,3 @@ class BaseParserInputParser(BaseParser):
 
         return list_a
 
-
-class BaseExprParser(BaseParser):
-
-    def parse_input(self, context, parser_input, error_sink):
-        raise NotImplementedError
-
-    def reset_parser_input(self, parser_input: ParserInput, error_sink):
-        try:
-            error_sink.clear()
-            parser_input.reset(self.yield_eof)
-        except LexerError as e:
-            error_sink.add_error(e)
-            return False
-
-        parser_input.next_token()
-        return True
-
-
-class ErrorSink:
-    def __init__(self):
-        self.sink = []
-
-    def add_error(self, error):
-        self.sink.append(error)
-
-    def clear(self):
-        self.sink.clear()
-
-    @property
-    def has_error(self):
-        return len(self.sink) > 0
diff --git a/src/parsers/ExpressionParser.py b/src/parsers/ExpressionParser.py
index d9437be..0865084 100644
--- a/src/parsers/ExpressionParser.py
+++ b/src/parsers/ExpressionParser.py
@@ -2,14 +2,14 @@ from core.builtin_concepts_ids import BuiltinConcepts
 from core.sheerka.services.SheerkaExecute import ParserInput
 from core.tokenizer import TokenKind
 from core.utils import get_text_from_tokens
-from parsers.BaseParser import BaseExprParser, ErrorSink
+from parsers.BaseParser import ErrorSink
 from parsers.FunctionParser import FunctionParser
 from parsers.LogicalOperatorParser import LogicalOperatorParser
 from parsers.RelationalOperatorParser import RelationalOperatorParser
-from parsers.expressions import ParenthesisNode, NameExprNode, VariableNode
+from parsers.BaseExpressionParser import ParenthesisNode, NameExprNode, VariableNode, BaseExpressionParser
 
 
-class ExpressionParser(BaseExprParser):
+class ExpressionParser(BaseExpressionParser):
     """
     Parses expressions
     """
@@ -74,7 +74,7 @@ class ExpressionParser(BaseExprParser):
         return None
 
 
-class VariableOrNamesParser(BaseExprParser):
+class VariableOrNamesParser(BaseExpressionParser):
     NAME = "VariableOrNames"
 
     def __init__(self, **kwargs):
diff --git a/src/parsers/FunctionParser.py b/src/parsers/FunctionParser.py
index 2ec340c..430edba 100644
--- a/src/parsers/FunctionParser.py
+++ b/src/parsers/FunctionParser.py
@@ -7,14 +7,14 @@ from core.sheerka.services.SheerkaExecute import ParserInput
 from core.tokenizer import TokenKind
 from core.utils import get_n_clones
 from parsers.BaseNodeParser import SourceCodeNode, SourceCodeWithConceptNode
-from parsers.BaseParser import UnexpectedTokenParsingError, UnexpectedEofParsingError, Node, BaseExprParser, \
+from parsers.BaseParser import UnexpectedTokenParsingError, UnexpectedEofParsingError, Node, \
     BaseParserInputParser
 from parsers.BnfNodeParser import BnfNodeParser
 from parsers.PythonWithConceptsParser import PythonWithConceptsParser
 from parsers.RuleParser import RuleParser
 from parsers.SequenceNodeParser import SequenceNodeParser
 from parsers.SyaNodeParser import SyaNodeParser
-from parsers.expressions import NameExprNode, FunctionNode, FunctionParameter
+from parsers.BaseExpressionParser import NameExprNode, FunctionNode, FunctionParameter
 
 PARSERS = [RuleParser.NAME,
            SequenceNodeParser.NAME,
diff --git a/src/parsers/LogicalOperatorParser.py b/src/parsers/LogicalOperatorParser.py
index 8874988..b1a8a43 100644
--- a/src/parsers/LogicalOperatorParser.py
+++ b/src/parsers/LogicalOperatorParser.py
@@ -7,10 +7,10 @@ from core.sheerka.services.sheerka_service import FailedToCompileError
 from core.tokenizer import TokenKind, Tokenizer, Keywords
 from core.utils import get_text_from_tokens
 from parsers.BaseNodeParser import UnrecognizedTokensNode
-from parsers.BaseParser import UnexpectedTokenParsingError, UnexpectedEofParsingError, BaseExprParser, ErrorSink
+from parsers.BaseParser import UnexpectedTokenParsingError, UnexpectedEofParsingError, ErrorSink
 from parsers.PythonWithConceptsParser import PythonWithConceptsParser
-from parsers.expressions import ParenthesisNode, OrNode, AndNode, NotNode, LeftPartNotFoundError, \
-    ParenthesisMismatchError, NameExprNode, ExprNode, VariableNode, ComparisonNode
+from parsers.BaseExpressionParser import ParenthesisNode, OrNode, AndNode, NotNode, LeftPartNotFoundError, \
+    ParenthesisMismatchError, NameExprNode, ExprNode, VariableNode, ComparisonNode, BaseExpressionParser
 from sheerkarete.common import V
 from sheerkarete.conditions import Condition, AndConditions
 
@@ -63,7 +63,7 @@ class ReteConditionsEmitter:
         return [AndConditions(conditions)]
 
 
-class LogicalOperatorParser(BaseExprParser):
+class LogicalOperatorParser(BaseExpressionParser):
     """
     will parser logic expression
     like not (a and b or c)
diff --git a/src/parsers/RelationalOperatorParser.py b/src/parsers/RelationalOperatorParser.py
index e655ed1..bcc8ba7 100644
--- a/src/parsers/RelationalOperatorParser.py
+++ b/src/parsers/RelationalOperatorParser.py
@@ -2,12 +2,13 @@ from core.builtin_concepts_ids import BuiltinConcepts
 from core.sheerka.services.SheerkaExecute import ParserInput
 from core.tokenizer import TokenKind
 from core.utils import get_text_from_tokens
-from parsers.BaseParser import UnexpectedTokenParsingError, BaseExprParser, ErrorSink
-from parsers.expressions import ComparisonNode, ParenthesisMismatchError, NameExprNode, ComparisonType, VariableNode, \
-    ParenthesisNode, LeftPartNotFoundError
+from parsers.BaseParser import UnexpectedTokenParsingError, ErrorSink
+from parsers.BaseExpressionParser import ComparisonNode, ParenthesisMismatchError, NameExprNode, ComparisonType, \
+    VariableNode, \
+    ParenthesisNode, LeftPartNotFoundError, BaseExpressionParser
 
 
-class RelationalOperatorParser(BaseExprParser):
+class RelationalOperatorParser(BaseExpressionParser):
     """
     Parses xxx (== | > | < | >= | <= | != | in | not in) yyy
     Nothing else
diff --git a/tests/parsers/parsers_utils.py b/tests/parsers/parsers_utils.py
index a180ec8..ac083a1 100644
--- a/tests/parsers/parsers_utils.py
+++ b/tests/parsers/parsers_utils.py
@@ -13,7 +13,7 @@ from parsers.BaseNodeParser import UnrecognizedTokensNode, SourceCodeNode, RuleN
 from parsers.FunctionParser import FunctionNode
 from parsers.PythonParser import PythonNode
 from parsers.SyaNodeParser import SyaConceptParserHelper
-from parsers.expressions import NameExprNode, AndNode, OrNode, NotNode, VariableNode, ComparisonNode, ComparisonType, \
+from parsers.BaseExpressionParser import NameExprNode, AndNode, OrNode, NotNode, VariableNode, ComparisonNode, ComparisonType, \
     FunctionParameter
 from sheerkarete.common import V
 from sheerkarete.conditions import Condition, AndConditions
diff --git a/tests/parsers/test_ExpressionParser.py b/tests/parsers/test_ExpressionParser.py
index 075b7b3..af21d4d 100644
--- a/tests/parsers/test_ExpressionParser.py
+++ b/tests/parsers/test_ExpressionParser.py
@@ -5,7 +5,7 @@ from core.sheerka.services.SheerkaExecute import ParserInput
 from core.tokenizer import Tokenizer
 from parsers.BaseParser import ErrorSink
 from parsers.ExpressionParser import ExpressionParser
-from parsers.expressions import VariableNode
+from parsers.BaseExpressionParser import VariableNode
 from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
 from tests.parsers.parsers_utils import get_expr_node_from_test_node, VAR, EXPR, AND, OR, NOT, GT, GTE, LT, LTE, EQ, \
     NEQ, IN, NIN
diff --git a/tests/parsers/test_LogicalOperatorParser.py b/tests/parsers/test_LogicalOperatorParser.py
index 2810915..14ddf97 100644
--- a/tests/parsers/test_LogicalOperatorParser.py
+++ b/tests/parsers/test_LogicalOperatorParser.py
@@ -10,7 +10,7 @@ from core.tokenizer import TokenKind
 from parsers.BaseParser import UnexpectedEofParsingError, UnexpectedTokenParsingError
 from parsers.LogicalOperatorParser import LogicalOperatorParser
 from parsers.PythonParser import PythonNode
-from parsers.expressions import TrueifyVisitor, IsAQuestionVisitor, AndNode, LeftPartNotFoundError, \
+from parsers.BaseExpressionParser import TrueifyVisitor, IsAQuestionVisitor, AndNode, LeftPartNotFoundError, \
     ParenthesisMismatchError
 from sheerkarete.network import ReteNetwork
 from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
diff --git a/tests/parsers/test_RelationalOperatorParser.py b/tests/parsers/test_RelationalOperatorParser.py
index b9b6315..3c407de 100644
--- a/tests/parsers/test_RelationalOperatorParser.py
+++ b/tests/parsers/test_RelationalOperatorParser.py
@@ -5,7 +5,7 @@ from core.sheerka.services.SheerkaExecute import ParserInput
 from core.tokenizer import TokenKind
 from parsers.BaseParser import UnexpectedTokenParsingError
 from parsers.RelationalOperatorParser import RelationalOperatorParser
-from parsers.expressions import ParenthesisMismatchError
+from parsers.BaseExpressionParser import ParenthesisMismatchError
 from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
 from tests.parsers.parsers_utils import get_expr_node_from_test_node, VAR, EXPR, EQ, NEQ, GT, GTE, LT, LTE, IN, NIN