"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-07 06:21:08.739148
"""

```python
from typing import List, Dict


class ReasoningEngine:
    """
    A basic reasoning engine capable of processing logical statements and deriving conclusions.
    """

    def __init__(self):
        self.knowledge_base: Dict[str, bool] = {}

    def add_fact(self, fact: str, value: bool) -> None:
        """
        Adds a new fact to the knowledge base.

        :param fact: The logical statement to be added as a fact.
        :param value: The truth value of the fact (True or False).
        """
        self.knowledge_base[fact] = value

    def infer(self, conclusion: str) -> bool:
        """
        Tries to derive the given conclusion from the knowledge base.

        :param conclusion: The logical statement to be derived.
        :return: True if the conclusion is logically inferred from existing facts, False otherwise.
        """
        # Simple inference based on available facts
        for fact in self.knowledge_base:
            if fact in conclusion and self.knowledge_base[fact] == True:
                return True
        return False

    def query(self, statement: str) -> bool:
        """
        Checks if the given logical statement is present in the knowledge base.

        :param statement: The logical statement to be queried.
        :return: True if the statement exists as a fact, False otherwise.
        """
        return statement in self.knowledge_base


# Example Usage
def main():
    reasoning_engine = ReasoningEngine()
    
    # Adding some facts
    reasoning_engine.add_fact("p", True)  # Fact p is true
    reasoning_engine.add_fact("q", False)  # Fact q is false

    # Querying the engine with a logical statement that should be inferred from existing facts
    result = reasoning_engine.infer("(p AND NOT q)")
    
    print(result)  # Should output: True


if __name__ == "__main__":
    main()
```