In Plato’s metaphysics, the immaterial, immutable, eternal entities that make individualthings possible and are the pure objects of knowledge. Usually capitalized. https://youtube.com/shorts/MLsgwSsVkms?feature=share
In a formal deductive system, a step-by-step demonstration of the truth of a claim followingfrom a set of premises. (See also Proof.) https://youtube.com/shorts/DT1-2WEXXbc?feature=share
The study of systems of reasoning, the principles of reasoning as such, and the relationshipsbetween the symbols that express that reasoning. Also: logic based on deductive argumentusing syllogisms and quasi-mathematical…
An error in the structure or form of reasoning. The most common formal fallacies includeAffirming the Consequent and Denying the Antecedent. A formally fallacious argument is aninvalid one. https://youtube.com/shorts/WCgxcFur6hc?feature=share
The essence, structural features, or attributes of a thing; one of Aristotle’s four explanationsfor a thing’s coming to be. https://youtube.com/shorts/FJqEZbim1y8?feature=share
A set of commonsense principles regarding human cognition, including the distinctionbetween beliefs and desires, and the link between such propositional attitudes and behavior.This framework is challenged by eliminativists (see Eliminative…
The initial and firm rules, or axioms, with which a philosophy begins, either as assumptionsor as believed truths. https://youtube.com/shorts/vZLJr8mtKN8?feature=share
An argument is valid when a sentence is logically true by way of truth-functional connectivedefinitions, identity, and quantifiers. https://youtube.com/shorts/CZnU2xWzcRg?feature=share
A system of logic that includes propositions (sentences), truth-functional connectives,predicates, and quantifiers. https://youtube.com/shorts/ypbGNbsNLQg?feature=share
A sentence that is false by way of the truth-functional connective definitions, identity, andquantifiers. https://youtube.com/shorts/joxY9HKEP54?feature=share