"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-08 16:28:29.883449
"""

```python
from typing import List, Dict

class Rule:
    def __init__(self, condition: str, conclusion: str):
        self.condition = condition
        self.conclusion = conclusion

class ReasoningEngine:
    """
    A simple reasoning engine that applies rules to draw conclusions based on given facts.
    """

    def __init__(self, initial_facts: Dict[str, bool] = {}):
        self.facts = initial_facts
        self.rules: List[Rule] = []

    def add_rule(self, rule: Rule) -> None:
        """
        Adds a new inference rule to the reasoning engine.

        :param rule: An instance of Rule with condition and conclusion.
        """
        self.rules.append(rule)

    def update_fact(self, fact_name: str, value: bool) -> None:
        """
        Updates an existing fact in the knowledge base.

        :param fact_name: The name of the fact to be updated.
        :param value: The new boolean value of the fact.
        """
        self.facts[fact_name] = value

    def apply_rules(self) -> Dict[str, bool]:
        """
        Applies all rules and updates facts based on matching conditions.

        :return: A dictionary containing updated facts after applying all rules.
        """
        for rule in self.rules:
            if all(self.facts.get(condition, False) for condition in rule.condition.split() and condition != ''):
                new_fact = rule.conclusion
                if new_fact not in self.facts:
                    self.facts[new_fact] = True

        return self.facts

# Example usage
if __name__ == "__main__":
    engine = ReasoningEngine({"A": False, "B": True})

    # Define some rules
    rule1 = Rule("A B", "C")
    rule2 = Rule("C A", "D")

    # Add rules to the engine
    engine.add_rule(rule1)
    engine.add_rule(rule2)

    # Update a fact
    engine.update_fact("B", False)

    # Apply rules and see updated facts
    print(engine.apply_rules())
```