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  2. Catastrophe theory - Wikipedia

    en.wikipedia.org/wiki/Catastrophe_theory

    Catastrophe theory studies dynamical systems that describe the evolution [5] of a state variable over time : ˙ = = (,) In the above equation, is referred to as the potential function, and is often a vector or a scalar which parameterise the potential function.

  3. List of logic symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_logic_symbols

    definition: is defined as metalanguage:= means "from now on, is defined to be another name for ." This is a statement in the metalanguage, not the object language. The notation may occasionally be seen in physics, meaning the same as :=.

  4. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...

  5. Somatic anxiety - Wikipedia

    en.wikipedia.org/wiki/Somatic_anxiety

    The Multi-dimensional Theory of Anxiety [7] is based on the distinction between somatic and cognitive anxiety. The theory predicts that a negative, linear relationship between somatic and cognitive anxiety, an Inverted-U relationship between somatic anxiety and performance, and that somatic anxiety declines once performance begins although cognitive anxiety may remain high, if confidence is low.

  6. Inverted U - Wikipedia

    en.wikipedia.org/wiki/Inverted_U

    Inverted U may refer to: Calmfors–Driffill hypothesis , an economic theory describing the relationship between collective bargaining and employment Kuznets curve , an economic theory describing the relationship between income per capita and wealth inequity

  7. Catastrophism - Wikipedia

    en.wikipedia.org/wiki/Catastrophism

    In geology, catastrophism is the theory that the Earth has largely been shaped by sudden, short-lived, violent events, possibly worldwide in scope. [1] This contrasts with uniformitarianism (sometimes called gradualism ), according to which slow incremental changes, such as erosion , brought about all the Earth's geological features.

  8. AI and the meaning of life: Philosopher Nick Bostrom says ...

    www.aol.com/news/ai-meaning-life-philosopher...

    A decade later, with AI more prevalent than ever, Professor Bostrom has decided to explore what will happen if things go right; if AI is beneficial and succeeds in improving our lives without ...

  9. Story structure - Wikipedia

    en.wikipedia.org/wiki/Story_structure

    A U-shaped structure, that is, a story that begins with a state of equilibrium that descends to disaster and then upward to a new stable condition. This is the shape of a comedy. An inverted U-shape structure, that is, a story in which the protagonist rises to prominence and descends to disaster. This is the shape of tragedy.