Philosophical theories

thumb|right|Is the glass half empty or half full?|Half a glass of water, illustration of two different mental attitudes, optimism (half full) and [[pessimism (half empty)]]

A meme (; ) is an idea, behavior, or style that spreads by means of imitation from person to person within a culture and often carries symbolic meaning representing a particular phenomenon or theme. A meme acts as a unit for carrying cultural ideas, symbols, or practices, that can be transmitted from one mind to another through writing, speech, gestures, rituals, or other imitable phenomena with a mimicked theme. Supporters of the concept regard memes as cultural analogues to genes in that they self-replicate, mutate, and respond to selective pressures. In popular language, a meme may refer to

Anthropocentrism ( ) is the belief that human beings are the central or most important entity on the planet. The term can be used interchangeably with humanocentrism, and some refer to the concept as human supremacy or human exceptionalism. From an anthropocentric perspective, humankind is seen as separate from nature and superior to it, and other entities (animals, plants, minerals, etc.) are viewed as resources for humans to use.

Holism is the interdisciplinary idea that systems possess properties as wholes apart from the properties of their component parts. The aphorism "The whole is greater than the sum of its parts", is often given as a summary of this proposal. The concept of holism can inform the methodology for a broad array of scientific fields and lifestyle practices. When applications of holism are said to reveal properties of a whole system beyond those of its parts, these qualities are referred to as emergent properties of that system. Holism in all contexts is often placed in opposition to reductionism, a d

Introspection is the examination of one's own conscious thoughts and feelings. In psychology, the process of introspection relies on the observation of one's mental state, while in a spiritual context it may refer to the examination of one's soul. Introspection is closely related to human self-reflection and self-discovery and is contrasted with external observation.

Essentialism is the view that objects have a set of attributes that are necessary to their identity. In early Western thought, Platonic idealism held that all things have such an "essence"—an "idea" or "form". In Categories, Aristotle similarly proposed that all objects have a substance that, as George Lakoff put it, "make the thing what it is, and without which it would be not that kind of thing". The contrary view—non-essentialism—denies the need to posit such an "essence". Essentialism has been controversial from its beginning. In the Parmenides dialogue, Plato depicts Socrates questioning

thumb|right|250px|The term "obscurationism" was coined during debates involving scholar Johann Reuchlin|Johannes Reuchlin (1455–1522). Obscurantism, also called obscurationism, is a polemical charge of deliberately presenting information in an abstruse and imprecise manner that limits further inquiry and understanding of a subject. Obscurantism has been defined as anti-intellectual opposition to the dissemination of knowledge and as writing characterized by deliberate vagueness.

Metafiction is a form of fiction that emphasizes its own narrative structure in a way that inherently reminds the audience that they are reading or viewing a fictional work. Metafiction is self-conscious about language, literary form, and storytelling, and works of metafiction directly or indirectly draw attention to their status as artifacts. Metafiction is frequently used as a form of parody or a tool to undermine literary conventions and explore the relationship between literature and reality, life and art.

Universalism is the philosophical and theological concept that some ideas have universal application or applicability.

fundamental change in the basic concepts and experimental practices of a scientific discipline.

concept associated with Aristotelian philosophy in which all forms of life on the planet exist in ranked order, from the most to the least important, in a "ladder of life"

philosophical and cultural movement that emerged in Russia in the turn of the 19th and 20th centuries

Posthumanism or post-humanism (meaning "after humanism" or "beyond humanism") is an idea in continental philosophy and critical theory responding to the presence of anthropocentrism in 21st-century thought.

Perspectivism (also called perspectivalism) is the epistemological principle that perception of and knowledge of something are always bound to the interpretive perspectives of those observing it. While perspectivism regard all perspectives and interpretations as being of equal truth or value, it holds that no one has access to an absolute view of the world cut off from perspective. Instead, all such occurs from some point of view which in turn affects how things are perceived. Rather than attempt to determine truth by correspondence to things outside any perspective, perspectivism thus general

thumb|upright|H. P. Lovecraft, writer and creator of cosmicism.|alt=A June 1934 photograph of H. P. Lovecraft, facing left

impossibility for separate objects to have all their properties in common

person's relation with what they accept as being of ultimate importance

Byzantinism, or Byzantism, is the political system and culture of the Byzantine Empire, and its spiritual successors the Orthodox Christian Balkan countries of Greece and Bulgaria especially, and to a lesser extent Serbia and some other Orthodox countries in Eastern Europe like Belarus, Georgia, Russia and Ukraine. The term Byzantinism itself was coined in the 19th century.

In Christianity, providentialism is the belief that all events on Earth are controlled by God.

thumb|John Lennon and [[Yoko Ono during their 1969 Bed-in]] Bagism is a genre of performance art satirizing social prejudice, where by living in a bag a person could not be judged on their bodily appearance. Bagism was created by John Lennon and Yoko Ono as part of their extensive peace campaign in the late 1960s. The intent of bagism was to satirize prejudice and stereotyping. Bagism involved wearing a bag over one's entire body. According to John and Yoko, by living in a bag, a person could not be judged by others on the basis of skin colour, gender, hair length, attire, age, or any other su

area of philosophy

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Neo-medievalism (or neomedievalism, new medievalism) is a term with a long history that has acquired specific technical senses in two branches of scholarship.

Exclusivism is the practice of being exclusive, a mentality characterized by the disregard for opinions and ideas which are different from one's own, or the practice of organizing entities into groups by excluding those entities which possess certain traits.

Enactivism is a position in cognitive science that argues that cognition arises through interaction between an acting organism and its environment. It claims that the environment of an organism is brought about, or enacted, by the active exercise of that organism's sensorimotor processes. "The key point, then, is that the species brings forth and specifies its own domain of problems ...this domain does not exist "out there" in an environment that acts as a landing pad for organisms that somehow drop or parachute into the world. Instead, living beings and their environments stand in relation to

Reconstructivism is a philosophical theory holding that societies should continually reform themselves in order to establish better governments or social networks. This theory involves recombining or recontextualizing the ideas arrived at by the philosophy of deconstruction, in which an existing system or medium is broken into its smallest meaningful elements and in which these elements are used to build a new system or medium free from the strictures of the original.

hypothesis that, in the course of evolution, some entirely new properties, such as mind and consciousness, appear at certain critical points

theoretical concept within philosophy

marx's views on the totality of society, feelings and behaviors

"Pragmaticism" is a term used by Charles Sanders Peirce for his pragmatic philosophy starting in 1905, in order to distance himself and it from pragmatism, the original name, which had been used in a manner he did not approve of in the "literary journals".

view of literature and rhetorical criticism

Hierarchical categorisation of different fields of science

Reflectivism is an umbrella label used in International Relations theory for a range of theoretical approaches which oppose rational-choice accounts of social phenomena and positivism generally. The label was popularised by Robert Keohane in his presidential address to the International Studies Association in 1988. The address was entitled "International Institutions: Two Approaches", and contrasted two broad approaches to the study of international institutions (and international phenomena more generally). One was "rationalism", the other what Keohane referred to as "reflectivism". Rationalis