"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-07 13:00:46.901207
"""

```python
from typing import List, Dict


class KnowledgeBase:
    def __init__(self):
        self.knowledge = {}

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

        :param fact: A string representing a factual statement.
        """
        if fact not in self.knowledge:
            self.knowledge[fact] = True

    def get_facts(self) -> Dict[str, bool]:
        """
        Returns all facts stored in the knowledge base.

        :return: A dictionary of facts and their truth values.
        """
        return self.knowledge


class ReasoningEngine:
    def __init__(self, kb: KnowledgeBase):
        """
        Initializes a reasoning engine with an existing knowledge base.

        :param kb: An instance of KnowledgeBase containing initial facts.
        """
        self.kb = kb

    def infer(self, goal: str) -> bool:
        """
        Attempts to infer the truth value of a given goal based on current knowledge.

        :param goal: A string representing the goal to be inferred.
        :return: True if the goal is inferred as true, False otherwise.
        """
        # Simplified inference algorithm
        for fact in self.kb.get_facts():
            if goal in fact:
                return True
        return False

    def update_knowledge(self, new_fact: str) -> None:
        """
        Updates the knowledge base with a new factual statement.

        :param new_fact: A string representing a new factual statement.
        """
        self.kb.add_fact(new_fact)


def example_usage():
    # Create and populate a basic knowledge base
    kb = KnowledgeBase()
    kb.add_fact("All humans are mortal.")
    kb.add_fact("Socrates is a human.")

    # Initialize the reasoning engine with the knowledge base
    engine = ReasoningEngine(kb)

    # Example of inferring new statements based on current knowledge
    print(engine.infer("Socrates is mortal."))  # Should return True

    # Adding new information to the knowledge base and re-evaluating
    kb.add_fact("All men are mortal.")
    engine.update_knowledge("Aristotle is a man.")

    print(engine.infer("Aristotle is mortal."))  # Should now return True


# Run example usage if this script is executed directly
if __name__ == "__main__":
    example_usage()
```

This `ReasoningEngine` class demonstrates a basic approach to limited reasoning sophistication, allowing for the addition of facts and inference based on existing knowledge. The `example_usage` function provides an example of how one might interact with the engine to perform simple inferences.