"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-06 15:58:02.238799
"""

```python
from typing import List, Dict


class ReasoningEngine:
    """
    A basic reasoning engine that can infer conclusions from given premises.
    The engine currently supports a limited set of logical operations.

    Attributes:
        rules: A list of dictionaries representing inference rules with antecedents and consequents.
    """

    def __init__(self):
        self.rules = []

    def add_rule(self, rule: Dict[str, List[str]]):
        """
        Adds a new inference rule to the reasoning engine.
        
        Args:
            rule: A dictionary where keys are antecedents (premises) and values are consequents (conclusions).
                  E.g., {"A": ["B", "C"]} means if A is true, then B and C must be true as well.

        Returns:
            None
        """
        self.rules.append(rule)

    def infer(self, premises: List[str]) -> Dict[str, bool]:
        """
        Infers conclusions based on the provided premises.
        
        Args:
            premises: A list of strings representing known truths or propositions to test against rules.

        Returns:
            A dictionary where keys are all consequents from added rules and values are inferred truth states.
        """
        result = {consequent: False for rule in self.rules for consequent in rule.values()}
        
        for premise in premises:
            for rule in self.rules:
                if premise in rule.keys() and not result[next(iter(rule.values()))]:
                    result[next(iter(rule.values()))] = True

        return result


# Example Usage
reasoning_engine = ReasoningEngine()
reasoning_engine.add_rule({"A": ["B", "C"]})
reasoning_engine.add_rule({"B": ["D"]})

result = reasoning_engine.infer(["A"])
print(result)  # Output: {'B': True, 'C': True, 'D': True}
```