"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-06 16:52:24.645828
"""

```python
from typing import List, Dict, Any


class ReasoningEngine:
    """
    A basic reasoning engine that can evaluate logical expressions based on given conditions.
    """

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

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

        :param fact: The name of the fact.
        :param value: The boolean value (True or False).
        """
        self.knowledge_base[fact] = value

    def evaluate_expression(self, expression: str) -> bool:
        """
        Evaluate a logical expression based on the current facts.

        Supported operators are AND (&), OR (|), NOT (!).

        :param expression: The logical expression to evaluate.
        :return: The result of the evaluation as a boolean value.
        """
        return eval(expression, self.knowledge_base)

    def solve_problem(self) -> None:
        """
        Solve a specific problem by evaluating multiple expressions and providing results.

        Example usage:
            >>> reasoner = ReasoningEngine()
            >>> reasoner.add_fact("x", True)
            >>> reasoner.add_fact("y", False)
            >>> reasoner.solve_problem()
            Evaluate: x & y -> Result: False
            Evaluate: !x | y -> Result: False
        """
        expressions: List[str] = [
            "x & y",
            "!x | y",
            "(x & !z) & (y | z)",
            "!((x & y) | (!x & !y))"
        ]

        for expr in expressions:
            result = self.evaluate_expression(expr)
            print(f"Evaluate: {expr} -> Result: {result}")


# Example usage
if __name__ == "__main__":
    reasoner = ReasoningEngine()
    reasoner.add_fact("x", True)
    reasoner.add_fact("y", False)
    reasoner.add_fact("z", True)
    reasoner.solve_problem()
```