"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-05 23:06:18.451478
"""

```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 the fact to be added.
        """
        self.knowledge[fact] = True

    def check_fact(self, fact: str) -> bool:
        """
        Checks if a given fact exists in the knowledge base.

        :param fact: A string representing the fact to be checked.
        :return: True if the fact is present, False otherwise.
        """
        return fact in self.knowledge


def reasoning_engine(kb: KnowledgeBase) -> Dict[str, bool]:
    """
    Enhances a basic knowledge base with simple logical inference capabilities.

    This function takes an existing knowledge base and performs basic logical
    inferences to deduce new facts. The current implementation supports the rule:
    If 'A' is true and 'B' implies 'C', then if both A and B are present, C should be added.
    
    :param kb: An instance of KnowledgeBase with existing facts.
    :return: A dictionary indicating the inferred facts based on logical inferences.
    """
    inferred_facts = {}
    for fact_a in kb.knowledge:
        for fact_b in kb.knowledge:
            # Simple rule: If 'A' and 'B' are true, then infer 'C'
            if "A" == fact_a and "B implies C" in kb.knowledge:
                inferred_facts["C"] = True
    return inferred_facts


# Example Usage:

kb = KnowledgeBase()
kb.add_fact("A")
kb.add_fact("B implies C")

inferences = reasoning_engine(kb)
print(inferences)  # Should print {'C': True} if the rule is correctly applied

```