Description: A deterministic transition is a fundamental concept in reinforcement learning that refers to a situation where the next state of a system is completely determined by the current state and the action taken. In this context, there is no uncertainty or randomness involved; that is, if the current state and the chosen action are known, the next state can be predicted with certainty. This type of transition is crucial for the formulation of models and algorithms in reinforcement learning, as it simplifies the decision-making process and allows agents to learn more efficiently. Deterministic transitions are characteristic of environments where the rules are fixed and predictable, facilitating planning and strategy optimization. In contrast, in stochastic environments, the outcome of an action may vary, introducing an additional level of complexity in learning. Understanding deterministic transitions is essential for designing algorithms that aim to maximize rewards in various tasks, as it enables agents to build accurate models of the environment in which they operate.