In symbolic logic, the operator that denies a claim. When a statement is negated, its truth value is the opposite of the original: When P is true, ¬ P is…
That without which cannot be otherwise. Also: A statement that must be true. A statement is necessarily true (or false) if it could not have been otherwise; it has the…
That which both guarantees and is required. It is typically expressed by the phrase, “if, and only if.” https://youtube.com/shorts/9RMnH2o2Zp4?feature=share
Argument advanced by G. E. Moore (1873-1958) that any attempt to define “good” in terms of some other property (such as pleasure) will either conflate ethical propositions with psychological propositions…
A condition without which another statement does not obtain. Q is a necessary condition for Pin the claim, “If P then Q.” If Q does not obtain, P does not…
Those entities that reflect the underlying structure of reality and therefore provide the modal basis for laws of nature. https://youtube.com/shorts/_wZ19PK2P_s?feature=share