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  2. List of decommissioned ships of the Hellenic Navy - Wikipedia

    en.wikipedia.org/wiki/List_of_decommissioned...

    Ex-USS Eberle; Hunt-class destroyers Adrias (D06) (1946–1963) – The ex-HMS Tanatside was acquired on loan as a replacement for the first Adrias (L67). She was returned to the Royal Navy in 1963. [4] Adrias (L67) (1942–1945) – The ex-HMS Border was seriously damaged by mines on October 22, 1943. Although the ship survived, it was not ...

  3. AP United States Government and Politics - Wikipedia

    en.wikipedia.org/wiki/AP_United_States...

    Advanced Placement (AP) United States Government and Politics (often shortened to AP Gov or AP GoPo and sometimes referred to as AP American Government or simply AP Government) is a college-level course and examination offered to high school students through the College Board's Advanced Placement Program.

  4. Lattice (order) - Wikipedia

    en.wikipedia.org/wiki/Lattice_(order)

    A lattice is an abstract structure studied in the mathematical subdisciplines of order theory and abstract algebra.It consists of a partially ordered set in which every pair of elements has a unique supremum (also called a least upper bound or join) and a unique infimum (also called a greatest lower bound or meet).

  5. Clifford algebra - Wikipedia

    en.wikipedia.org/wiki/Clifford_algebra

    A Clifford algebra is a unital associative algebra that contains and is generated by a vector space V over a field K, where V is equipped with a quadratic form Q : V → K.The Clifford algebra Cl(V, Q) is the "freest" unital associative algebra generated by V subject to the condition [c] = , where the product on the left is that of the algebra, and the 1 on the right is the algebra's ...

  6. Tautology (logic) - Wikipedia

    en.wikipedia.org/wiki/Tautology_(logic)

    In mathematical logic, a tautology (from Ancient Greek: ταυτολογία) is a formula that is true regardless of the interpretation of its component terms, with only the logical constants having a fixed meaning.

  7. Indian Army - Wikipedia

    en.wikipedia.org/wiki/Indian_Army

    Yudh Abhyas 2012 – US and Indian Army military exercise video trailer Indian Army Aviation Corps Dhruv helicopter ferrying U.S. soldiers during the Yudh Abhyas training exercise in 2009 The Yudh Abhyas exercise is an ongoing series, since 2005 of joint exercises between the Indian and United States armies, agreed upon under the New Framework ...

  8. Base (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Base_(chemistry)

    A reaction between aqueous solutions of an acid and a base is called neutralization, producing a solution of water and a salt in which the salt separates into its component ions. If the aqueous solution is saturated with a given salt solute , any additional such salt precipitates out of the solution.

  9. Conjugate gradient method - Wikipedia

    en.wikipedia.org/wiki/Conjugate_gradient_method

    In mathematics, the conjugate gradient method is an algorithm for the numerical solution of particular systems of linear equations, namely those whose matrix is positive-semidefinite. The conjugate gradient method is often implemented as an iterative algorithm , applicable to sparse systems that are too large to be handled by a direct ...