"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-06 17:45:24.621198
"""

```python
from typing import Dict, List


class ReasoningEngine:
    """
    A simple reasoning engine that solves limited reasoning sophistication problems.
    
    This engine uses a rule-based approach to infer conclusions from given premises.
    """

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

    def add_knowledge(self, premise: str, is_true: bool) -> None:
        """
        Adds or updates a premise in the knowledge base.

        :param premise: The statement to be added/updated.
        :param is_true: Whether the premise is true (True) or false (False).
        """
        self.knowledge_base[premise] = is_true

    def infer(self, conclusion: str) -> bool:
        """
        Attempts to infer a given conclusion based on the current knowledge base.

        :param conclusion: The statement that needs to be concluded.
        :return: True if the conclusion can be inferred as true, False otherwise.
        """
        return self.__infer_helper(conclusion)

    def __infer_helper(self, query: str) -> bool:
        """
        A recursive helper function for inferring conclusions.

        :param query: The statement to infer truth of.
        :return: True if the query can be inferred as true, False otherwise.
        """
        # Base case: if already in knowledge base
        if query in self.knowledge_base:
            return self.knowledge_base[query]

        # Recursive cases: check for logical implications
        for rule in self.rules:
            antecedent, consequent = rule.split(" -> ")
            if antecedent == query:
                return self.__infer_helper(consequent)

        return False  # No inference possible


# Example usage

engine = ReasoningEngine()

# Add premises to the knowledge base
engine.add_knowledge("P", True)
engine.add_knowledge("Q", True)

# Define rules (simple if-then statements for logical implication)
engine.rules = ["P -> R", "Q -> S"]

# Attempt to infer conclusions based on given premises and rules
print(engine.infer("R"))  # Should print: True
print(engine.infer("S"))  # Should print: True
print(engine.infer("T"))  # Should print: False, as T is not inferred from the knowledge base or rules
```

This code snippet introduces a basic reasoning engine capable of adding premises to its knowledge base and inferring conclusions based on those premises and defined logical implications.