Final answer:
Kant envisions an ideal society where every individual is treated equally and with intrinsic value, known as the kingdom of ends. This society would operate under the principle of monism, with universal laws benefiting all, a concept foundational to his moral philosophy.
Step-by-step explanation:
Kant's ideal society, known as the kingdom of ends, is a hypothetical world where every individual is respected as an end in themselves and never merely as a means to another's end. This notion supports a society where moral laws are devised with the collective wellbeing of all individuals in mind. In such a society, each person would flourish equally, and moral choices would be made with the universal good as a guiding principle. It is this perfect society that Kant uses to explore the philosophical underpinnings of morality, under the broader domain of metaethics, which examines moral reasoning and the fundamental assumptions behind moral beliefs and practices.
Furthermore, the concept of monism in philosophy posits that there is one underlying intrinsic value that is the basis for all values, which aligns with the idea of every individual having inherent worth in Kant's ideal society. Kant believed progressing towards this ideal would require generations of reflection, education, and moral reasoning, leading humanity toward a more virtuous and morally just society.