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  2. Astronomical symbols - Wikipedia

    en.wikipedia.org/wiki/Astronomical_symbols

    There is no mention of a star in the original description, but the only 19th-century drawing of the symbol includes one. [45] 35 Leukothea [78] U+1CED0 (dec 118480) 𜻐 a pharos (ancient lighthouse) [78] 37 Fides [79] U+271D (dec 10013) : a Latin cross [79] [91] 99942 Apophis [83] — — a stylised depiction of the Egyptian god Apep, with a ...

  3. Shape of the universe - Wikipedia

    en.wikipedia.org/wiki/Shape_of_the_universe

    Global geometry: This pertains to the universe's overall shape and structure. The observable universe (of a given current observer) is a roughly spherical region extending about 46 billion light-years in all directions (from that observer, the observer being the current Earth, unless specified otherwise). [3]

  4. Uniqueness quantification - Wikipedia

    en.wikipedia.org/wiki/Uniqueness_quantification

    In mathematics and logic, the term "uniqueness" refers to the property of being the one and only object satisfying a certain condition. [1] This sort of quantification is known as uniqueness quantification or unique existential quantification, and is often denoted with the symbols "∃!" [2] or "∃ =1". For example, the formal statement

  5. Monism - Wikipedia

    en.wikipedia.org/wiki/Monism

    Existence monism posits that, strictly speaking, there exists only a single thing, the universe, which can only be artificially and arbitrarily divided into many things. [ 2 ] Substance monism asserts that a variety of existing things can be explained in terms of a single reality or substance. [ 3 ]

  6. Holographic principle - Wikipedia

    en.wikipedia.org/wiki/Holographic_principle

    The physical universe is widely seen to be composed of "matter" and "energy". In his 2003 article published in Scientific American magazine, Jacob Bekenstein speculatively summarized a current trend started by John Archibald Wheeler, which suggests scientists may "regard the physical world as made of information, with energy and matter as incidentals".

  7. Buddhist cosmology - Wikipedia

    en.wikipedia.org/wiki/Buddhist_cosmology

    The Buddhist cosmology is not a literal description of the shape of the universe; [2] rather, it is the universe as seen through the divyacakṣus (Pali: dibbacakkhu दिब्बचक्खु), the "divine eye" by which a Buddha or an arhat can perceive all beings arising (being born) and passing away (dying) within various worlds; and can ...

  8. Hindu cosmology - Wikipedia

    en.wikipedia.org/wiki/Hindu_cosmology

    Hindu cosmology is the description of the universe and its states of matter, cycles within time, physical structure, and effects on living entities according to Hindu texts. Hindu cosmology is also intertwined with the idea of a creator who allows the world to exist and take shape. [1]

  9. Glossary of mathematical symbols - Wikipedia

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

    If E is a logical predicate, means that there exists at least one value of x for which E is true. 2. Often used in plain text as an abbreviation of "there exists". ∃! Denotes uniqueness quantification, that is, ! means "there exists exactly one x such that P (is true)".