"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-08 11:07:48.963010
"""

```python
from typing import List, Dict


class ReasoningEngine:
    """
    A simple reasoning engine that applies logical rules to a set of facts.
    
    This engine can be used to solve problems where limited reasoning sophistication is required,
    such as determining the validity of a statement based on given premises.
    """

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

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

        :param fact: The name of the fact to be added/updated.
        :param value: The boolean value associated with the fact.
        """
        self.knowledge_base[fact] = value

    def infer_conclusion(self, conclusion: str) -> bool:
        """
        Infers the validity of a conclusion based on the facts in the knowledge base.

        :param conclusion: The name of the conclusion to be inferred.
        :return: True if the conclusion is valid, False otherwise.
        """
        return self.knowledge_base.get(conclusion, False)

    def check_rule(self, rule_name: str, premises: List[str], conclusion: str) -> None:
        """
        Adds a logical rule to the knowledge base. A rule consists of premises and a conclusion.

        :param rule_name: The name of the rule.
        :param premises: A list of facts that serve as premises for the rule.
        :param conclusion: The conclusion that follows from the premises if they are all true.
        """
        self.add_fact(rule_name, all(self.knowledge_base[premise] for premise in premises) or not conclusion)


# Example usage:
engine = ReasoningEngine()
engine.add_fact("A", True)
engine.add_fact("B", False)

print(engine.infer_conclusion("C"))  # C is not defined, should return None

engine.check_rule("Rule1", ["A"], "C")
engine.add_fact("C", True)

print(engine.infer_conclusion("C"))  # Now C should be inferred as True
```