• System F (also polymorphic lambda calculus or second-order lambda calculus) is a typed lambda calculus that introduces, to simply typed lambda calculus...
    18 KB (2,532 words) - 08:43, 15 March 2025
  • Thumbnail for F
    F
    events. F with diacritics: Ƒ ƒ Ꞙ ꞙ : F with stroke is used in the Anthropos phonetic transcription system and older Ewe writing ꬵ : Lenis F is used...
    16 KB (1,436 words) - 04:55, 22 May 2025
  • CCIR System F was an adaptation of System E used in Belgium (1953, RTB) and Luxembourg (1955, Télé Luxembourg). With only half the vision bandwidth and...
    3 KB (263 words) - 19:26, 24 April 2025
  • Thumbnail for F-number
    An f-number is a measure of the light-gathering ability of an optical system such as a camera lens. It is calculated by dividing the system's focal length...
    43 KB (5,455 words) - 07:05, 9 May 2025
  • Thumbnail for Boeing F-15EX Eagle II
    system, and avionics. The aircraft is manufactured by Boeing's St. Louis division (formerly McDonnell Douglas). The Advanced Eagle began with the F-15SA...
    61 KB (5,752 words) - 20:34, 23 May 2025
  • Thumbnail for System
    defined systems in terms of conceptual, concrete, and abstract systems, either isolated, closed, or open. Walter F. Buckley defined systems in sociology...
    22 KB (2,438 words) - 04:16, 21 May 2025
  • a system F in some system F' that is in some sense less doubtful than F itself, for example, weaker than F. For many naturally occurring theories F and...
    92 KB (12,173 words) - 10:15, 18 May 2025
  • Thumbnail for Lockheed Martin F-35 Lightning II
    capabilities. Lockheed Martin is the prime F-35 contractor with principal partners Northrop Grumman and BAE Systems. The aircraft has three main variants:...
    315 KB (27,106 words) - 03:54, 29 May 2025
  • Thumbnail for Lockheed Martin F-22 Raptor
    integration, and training systems. First flown in 1997, the F-22 descended from the Lockheed YF-22 and was variously designated F-22 and F/A-22 before it formally...
    196 KB (19,509 words) - 03:31, 22 May 2025
  • Thumbnail for General Dynamics F-16 Fighting Falcon variants
    decided to upgrade the F-16, F-22 and F-35 (all Lockheed Martin-designed, fly-by-wire fighters) with the AGCAS system. The F-16 Agile Falcon was a variant...
    150 KB (18,429 words) - 09:10, 28 April 2025
  • Thumbnail for Fairchild Channel F
    Entertainment System", but Fairchild rebranded their console as "Channel F" the next year while keeping the Video Entertainment System descriptor. The...
    34 KB (3,433 words) - 01:27, 21 May 2025
  • Fourier optics (redirect from 4-f system)
    is obtained f x ″ ( x ) f y ( y ) f z ( z ) + f x ( x ) f y ″ ( y ) f z ( z ) + f x ( x ) f y ( y ) f z ″ ( z ) + k 2 f x ( x ) f y ( y ) f z ( z ) = 0...
    73 KB (12,531 words) - 15:38, 25 February 2025
  • Thumbnail for Charles F. Kettering
    invention of Freon refrigerant for refrigeration and air conditioning systems. At DuPont he also was responsible for the development of Duco lacquers...
    58 KB (2,975 words) - 19:10, 5 May 2025
  • The term system of systems refers to a collection of task-oriented or dedicated systems that pool their resources and capabilities together to create a...
    24 KB (2,742 words) - 04:08, 25 May 2025
  • Thumbnail for Oehler system
    alternately-fingered notes B♭ and F. The system has more keys than the Böhm system, up to 27 in the Voll-Oehler system (full Oehler system). It also has a narrower...
    3 KB (343 words) - 12:39, 18 March 2025
  • Thumbnail for List of colors: A–F
    have no hue value, which is effectively ignored—i.e., left blank.) A B C D E F G–M N–Z See also References Basic Color Terms: Their Universality and Evolution...
    34 KB (325 words) - 14:53, 24 March 2025
  • π f c t [ I ( t ) + i Q ( t ) ] ⟹ F 1 2 [ I   ^ ( ff c ) + e i π / 2 Q ^ ( ff c ) ] , {\displaystyle s_{c}(t)_{+}={\tfrac {1}{2}}e^{i2\pi f...
    15 KB (1,889 words) - 18:27, 29 May 2025
  • Thumbnail for Boeing F-47
    Dominance initiative, which aims to replace the F-22 Raptor fleet. The initiative envisions a "family of systems" approach centered on a fast, long-range, stealthy...
    23 KB (1,682 words) - 04:43, 26 May 2025
  • Thumbnail for Ferry Corsten
    Ferry Corsten (redirect from F. Corsten)
    trance tracks during the 1990s–2000s under his numerous aliases, including System F, Moonman, Pulp Victim and Gouryella. In recent years, he has shifted to...
    60 KB (5,796 words) - 22:18, 23 March 2025
  • Thumbnail for General Dynamics F-16 Fighting Falcon
    "triplex" system. The FLCC began as an analog system on the A/B variants but has been supplanted by a digital computer system beginning with the F-16C/D Block...
    216 KB (20,758 words) - 13:37, 2 June 2025
  • In mathematics, a biorthogonal system is a pair of indexed families of vectors v ~ i  in  E  and  u ~ i  in  F {\displaystyle {\tilde {v}}_{i}{\text{...
    3 KB (449 words) - 21:05, 3 September 2022
  • is a 1999 trance single by Dutch DJ Ferry Corsten, under the alias of System F. It received an original release in the Netherlands under Corsten's own...
    15 KB (1,391 words) - 16:23, 4 December 2024
  • Thumbnail for Fahrenheit
    Fahrenheit (redirect from °F)
    sea salt". This combination forms a eutectic system, which stabilizes its temperature automatically: 0 °F was defined to be that stable temperature. A...
    29 KB (3,003 words) - 02:34, 25 May 2025
  • Thumbnail for Lambda cube
    the type depends. System Fω combines both the Λ {\displaystyle \Lambda } constructor of System F and the type constructors from System F ω _ {\displaystyle...
    21 KB (3,237 words) - 03:06, 16 March 2025
  • Thumbnail for L-system
    F+F−F−F+F+F+F−F−F+FF+FFF+FF+FFF+F+F+FFF+FF+FFF+F+F+FFF+FF+FFF+FF+FFF+F+F+FFF+FF+FFF+F+F+FFF+FF+FFF+FF+FFF+F+F+FFF+F+ F+FFF+F+F...
    36 KB (4,683 words) - 19:01, 29 April 2025
  • – I.B.T.O. 625-line system, 8 MHz video bandwidth E – French 819-line system, 14 MHz video bandwidth F – Belgian 819-line system, 7 MHz video bandwidth...
    47 KB (5,138 words) - 17:13, 26 April 2025
  • Thumbnail for Operating system
    December 2015). Operating Systems. Pearson/Prentice Hall. ISBN 978-0-13-092641-8. Bic, Lubomur F.; Shaw, Alan C. (2003). Operating Systems. Pearson: Prentice...
    70 KB (8,176 words) - 14:39, 31 May 2025
  • Thumbnail for 819 line
    Belgium and Luxembourg. [dubious – discuss] It is associated with CCIR System E and F. When Europe resumed TV transmissions after World War II (i.e. in the...
    13 KB (1,268 words) - 07:09, 24 May 2025
  • Thumbnail for Elliptic coordinate system
    coordinate system is a two-dimensional orthogonal coordinate system in which the coordinate lines are confocal ellipses and hyperbolae. The two foci F 1 {\displaystyle...
    9 KB (1,599 words) - 16:25, 17 November 2023
  • B&F System, Inc. (BNFUSA) is a wholesaler and drop ship supplier established in the Dallas, Texas area and founded in 1950. The company imports directly...
    1 KB (98 words) - 05:29, 9 September 2022