Carl Gustav Hempel was a prominent philosopher of science known for his contributions to the philosophy of language, the philosophy of science, and the logic of scientific explanation. Some of his notable works include: 1. **"The Logic of Functional Analyses" (1952)** - This book addresses the concept of functional analysis in the philosophy of science.
"Principia Ethica" is a philosophical work written by the British philosopher G.E. Moore, first published in 1903. The book is significant for its contributions to ethical theory and is considered one of the foundational texts in modern moral philosophy.
"Breaking the Spell: Religion as a Natural Phenomenon" is a book by the philosopher Daniel Dennett, published in 2006. In this work, Dennett explores the concept of religion from a scientific and philosophical perspective, seeking to understand its origins and functions from an evolutionary standpoint. The book argues that religion is a natural phenomenon that can be studied using the tools of science, much like other aspects of human culture.
"The Roots of Reference" refers to a philosophical and cognitive investigation into how language and symbols connect to the objects and ideas they represent. This concept often explores the relationships between words, their meanings, and the world around us, including the ways in which humans understand and interpret their experiences. In a broader context, this exploration includes various fields such as linguistics, semiotics (the study of signs and symbols), and cognitive science.
"Darwin's Dangerous Idea" is a concept introduced by philosopher Daniel C. Dennett in his 1995 book of the same name. The central idea is that Charles Darwin's theory of evolution by natural selection has profound implications not only for biology but also for philosophy, ethics, and our understanding of human nature. The "dangerous" aspect refers to how Darwin's idea challenges traditional views about the origins of life, the complexity of organisms, and the role of purpose and design in nature.
A categorical proposition is a type of statement in logic that asserts a relationship between two categories or classes. It typically makes a claim about the inclusion or exclusion of one category within another. Categorical propositions are often expressed in a standard form that includes a subject and a predicate, along with a quantifier that indicates the extent to which the statement holds.
The phrase "chicken or the egg" refers to a classic philosophical dilemma regarding causality and origin. It raises the question of which came first: the chicken (the adult bird) or the egg (the reproductive cell from which a chicken hatches). The debate can be understood in both a literal biological context and a metaphorical philosophical context. 1. **Biological Perspective**: From a scientific standpoint, evolutionary biology provides an answer.
A genus–differentia definition is a way of defining a term by identifying its broader category (genus) and then specifying the characteristics that distinguish it from other members of that category (differentia). This method of definition is often used in philosophical, biological, and logical contexts to convey the essential nature of a concept or entity. The genus represents the larger group or class to which the term belongs, while the differentia highlights the unique features that set it apart from other members of that group.
The Paradox of the Court, also known as the "Paradox of Protagoras," is a philosophical and legal paradox that arises from a hypothetical situation involving a legal agreement. It is often attributed to the ancient Greek philosopher Protagoras. The paradox can be explained through a scenario involving a teacher and a student. Suppose a student, wanting to learn from a teacher (who is a skilled orator), agrees to pay the teacher a fee after winning his first court case.
"Works by Euclid" typically refers to the mathematical texts attributed to the ancient Greek mathematician Euclid, who is often called the "Father of Geometry." His most famous work is the "Elements," a comprehensive compilation of the knowledge of geometry of his time, organized into thirteen books. The "Elements" covers various topics, including: 1. **Plane Geometry**: Basic concepts such as points, lines, angles, triangles, and circles.
The Archimedes Palimpsest is a medieval manuscript that contains the only known copies of several works by the ancient Greek mathematician and physicist Archimedes. The palimpsest is particularly notable for its historical and scientific significance, as it features texts that had been lost to history until its discovery. The manuscript dates back to the 10th century and originally contained Archimedes' writings, but it was later overwritten by a Christian text in the 13th century.
The Bhattacharyya angle, often used in statistics and machine learning, measures the divergence or similarity between two probability distributions. It is based on the Bhattacharyya distance, which is a measure of the amount of overlap between two statistical samples or distributions.
The anti-nuclear movement encompasses a diverse array of grassroots and organized efforts aimed at opposing nuclear energy, nuclear weapons, and nuclear proliferation. Different countries have unique histories and contexts regarding their anti-nuclear movements. Here’s an overview by several notable countries: ### 1. **United States** The anti-nuclear movement gained momentum in the 1960s and 1970s, particularly in response to nuclear weapons testing and the proliferation of nuclear reactors.
Paris Herouni is an Armenian scientist known for his contributions to the fields of engineering, electronics, and mathematics. He is particularly recognized for his work in the development of novel technologies and methodologies in various scientific applications. Herouni has published numerous research papers and has been involved in various academic and scientific projects, making significant impacts in his areas of expertise.
The anti-nuclear movement in England, as part of a broader global movement, emerged in the mid-20th century, primarily in response to the development and proliferation of nuclear weapons and the establishment of nuclear power plants. This movement encompasses a variety of organizations, grassroots campaigns, and public protests aimed at opposing nuclear energy and weapons, often citing concerns about environmental safety, health risks, and ethical considerations.
Microsoft Corporation, founded on April 4, 1975, is an American multinational technology company that has become one of the most influential enterprises in history. Here's a brief overview of its history: ### 1970s: Founding and Early Years - **1975**: Microsoft was created by Bill Gates and Paul Allen in Albuquerque, New Mexico. Initially, the company was called "Micro-Soft," a portmanteau of "microcomputer" and "software.
The anti-nuclear movement in Australia refers to a broad coalition of individuals, organizations, and social movements that oppose the use of nuclear energy, the development of nuclear weapons, and nuclear waste management. This movement has a complex history and has been influenced by a range of factors, including environmental concerns, indigenous rights, safety issues, and historical experiences with nuclear testing.
The anti-nuclear movement in Canada refers to a collective effort by individuals, organizations, and communities to oppose nuclear power and nuclear weapons. This movement has been active since the mid-20th century and encompasses various aspects, including environmental, social, political, and health concerns related to nuclear energy and armaments.
The anti-nuclear movement in France refers to the collective actions and campaigns organized by various groups and individuals opposed to nuclear energy and weapons in France. This movement has emerged in response to environmental, safety, and ethical concerns related to nuclear power plants, waste disposal, and nuclear weapons.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    Figure 3.
    Visual Studio Code extension installation
    .
    Figure 4.
    Visual Studio Code extension tree navigation
    .
    Figure 5.
    Web editor
    . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
    Video 4.
    OurBigBook Visual Studio Code extension editing and navigation demo
    . Source.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact