Write a short note on Intuitionism.

Intuitionism is a moral theory within metaethics that asserts the existence of self-evident and objective moral truths accessible through human intuition. Intuitionists, such as G.E. Moore, argue that individuals have an immediate awareness of moral principles without the need for complex reasoning or empirical evidence. According to intuitionism, moral truths are akin to basic axioms in mathematics, directly apprehended by the moral sense or intuition.

G.E. Moore, in his Principia Ethica, famously introduced the "open question argument," asserting that attempts to define fundamental moral concepts would always leave room for further questioning. Intuitionists hold that certain moral principles, such as the intrinsic value of certain actions or states of affairs, are irreducible and self-evident.

While intuitionism emphasizes the importance of intuition in discerning moral truths, critics raise concerns about the subjectivity of moral intuitions and the lack of a systematic method for resolving conflicting intuitions. Nonetheless, intuitionism remains a notable perspective in moral philosophy, contributing to ongoing debates about the nature of moral knowledge and the foundations of ethical principles.