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Concept

H

H
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Overview

H (minuscule: h) is the eighth letter of the Latin alphabet, used in the modern English alphabet, including the alphabets of other Western European languages and others worldwide. Its name in English is aitch (pronounced , plural aitches), or regionally haitch (pronounced , plural haitches).

Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).

Possible passages

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  1. (III_a″_) Curl (H - [_u_E]) = J + _d_D/_dt_ + _u_ div D - curl [_u_D]. (I″) div D = ρ (IV″) curl E = - _d_B/_dt_, Div B = 0 (V′) Then for moving non-magnetised bodies, Lorentz puts (page 223, 3) μ = 1, B = H, and in addition to that takes account of the occurrence of the di-electric constant ε, and conductivity σ according to equations (ε_q_XXXIV″, p. 327) D - E = (ε - 1) {E + [_u_B]} (ε_q_XXXIII′, p. 223) J = σ(E +…

    Albert Einstein, The Principle of Relativity

    Names H several times; states what H is.

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  2. Purg. C. V. 90. 1290. Beatrice dies. Purg. C. XXXII. 2. He serves in the war waged by the Florentines upon the Pisans, and is present at the surrender of Caprona in the autumn. H. C. XXI. 92.

    Dante Alighieri, Divine Comedy, Cary's Translation, Complete

    Names H several times.

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  3. When a child is being taught to read, he learns to recognise a given letter, say H, whether it is large or small, black or white or red. However it may vary in these respects his reaction is the same: he says “H”. That is to say, the essential feature in the stimulus is its _form_.

    Bertrand Russell, Philosophy

    Names H twice; opens on H.

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Related ideas

Place in the tradition

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