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  2. List of works of Herschel C. Logan - Wikipedia

    en.wikipedia.org/wiki/List_of_works_of_Herschel...

    3 3/4 x 4 7/8 in (9.53 x 12.38 cm) W: Summer Evening: woodcut 1923 3 x 2 1/4 in (7.62 x 5.72 cm) W M: Summer Night: woodcut 1932 4 x 6 in (10.16 x 15.24 cm) B: Sunlight through the Trees: woodcut 1932 4 7/8 x 6 1/2 in (12.38 x 16.51 cm) B: Temple of Karnak: woodcut 1923 5 3/16 x 3 1/2 in (13.18 x 8.89 cm) W: Thatched Cottage: woodcut 1927 3 3/8 ...

  3. Septuple meter - Wikipedia

    en.wikipedia.org/wiki/Septuple_meter

    8 as 3 4 with 7 subdivisions 21 8 as 7 4 with 3 subdivisions. Septuple meter (British: metre) or (chiefly British) septuple time is a meter with each bar (American: measure) divided into 7 notes of equal duration, usually 7 4 or 7 8 (or in compound meter, 21 8 time).

  4. 1 + 2 + 3 + 4 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E...

    The first four partial sums of the series 1 + 2 + 3 + 4 + ⋯.The parabola is their smoothed asymptote; its y-intercept is −1/12. [1]The infinite series whose terms ...

  5. Fraction - Wikipedia

    en.wikipedia.org/wiki/Fraction

    and would be written in modern notation as 6 ⁠ 1 / 4 ⁠, 1 ⁠ 1 / 5 ⁠, and 2 − ⁠ 1 / 9 ⁠ (i.e., 1 ⁠ 8 / 9 ⁠). The horizontal fraction bar is first attested in the work of Al-Hassār ( fl. 1200 ), [ 35 ] a Muslim mathematician from Fez , Morocco , who specialized in Islamic inheritance jurisprudence .

  6. Quintuple meter - Wikipedia

    en.wikipedia.org/wiki/Quintuple_meter

    5 4 alternates with 6 4 for eight bars, then two of 6 4 and one pair of 5 4 + 6 4, ending with twelve bars of 6 4; 5 4 alternates regularly with 6 4 throughout (effectively 11 4) regular alternation of 5 4 and 6 4 until the final two bars, which are 5 4 and C; irregular mixture of 5 4, 6 4, and 7 4, with a single 3 4 bar at the end; four pairs ...

  7. List of sculptures by Tony Smith - Wikipedia

    en.wikipedia.org/wiki/List_of_sculptures_by_Tony...

    4 units total: 2 units each 6'8" x 10' x 2'6" and 2 units each 6'8" x 5' x 2'6" Private collection: Private Smoke: 1967: 1/3: Aluminum, painted black: 24'2" × 47' × 33' Los Angeles County Museum of Art: Installed in the Ahmanson Building Room: Los Angeles: CA: Public Smoke: 1967: 2/3: Aluminum, painted black: 24'2" × 47' × 33' Private ...

  8. 1 − 2 + 4 − 8 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%E2%88%92_2_%2B_4_%E2%88...

    Briefly, if one expresses a partial sum of this series as a function of the penultimate term, one obtains either ⁠ 4m + 1 / 3 ⁠ or ⁠ −4n + 1 / 3 ⁠. The mean of these values is ⁠ 2m − 2n + 1 / 3 ⁠, and assuming that m = n at infinity yields ⁠ 1 / 3 ⁠ as the value of the series. Leibniz's intuition prevented him from straining ...

  9. List of mathematical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_constants

    A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]