Extension and contraction of ideals

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Extension, Abelian extension, Group extension, Park Extension, Agricultural extension, Field extension, Separable extension, Extension (telephone), Filename extension, Conservative extension, Linear extension, Normal extension, Foothill Extension, Extension cord, Algebraic extension, Catholic Extension, 7 Subway Extension, Algebra extension, Leading-edge extension, Harvard Extension School, University of Wisconsin–Extension, Forking extension, Extension (semantics), Green Line Extension, Extension topology, Carathéodory's extension theorem, Galois extension, Silicon Valley BART extension, Bakerloo line extension, Browser extension, Purely inseparable extension, Degree of a field extension, C Line Extension, Jubilee Line Extension, Transcendental extension, Regular extension, Radical extension, Life extension, Leg extension, Extension by definition, Northern line extension to Battersea, Central extension, Extension Service, Cooperative State Research, Education, and Extension Service, Outline of life extension, Simple extension, Extension method, Lying triceps extension, LaGuardia Airport subway extension, Toronto–York Spadina subway extension, Health extension officer, Extension tube, Sign extension, D Line Extension, Szpilrajn extension theorem, Germ-band extension, K Line Northern Extension, UCLA Extension, Extension Scouting, Texas A&M AgriLife Extension Service, Extension bell, Tietze extension theorem, Physical Address Extension, Northeast Extension, Product line extension, Extensional tectonics, Villeray–Saint-Michel–Parc-Extension, Yonge North subway extension, Advanced Extension Award, Extension conflict, Length extension attack, Whitney extension theorem, La Salle Extension University, Brand extension, Kan extension, Ypres Town Cemetery and Extension, Primary extension, Extension (Mac OS), Extensionality, Off-premises extension, Douady–Earle extension, Southport and Cheshire Lines Extension Railway, Department of Agricultural Extension, Extension theorem, IP Extension metro station, Copyright Term Extension Act, Bandwidth extension, Extension complexity, Curb extension, Broadway Extension, Berks Cemetery Extension, Western Extension, Extension (metaphysics), Index of topics related to life extension, WWE brand extension, Extension (music), M. Riesz extension theorem, Extension of a Man, Delaware Extension, Proboscis extension reflex, Elbow extension test, Lynnwood Link extension, CJK Unified Ideographs Extension B, Robeson Extension, Pennsylvania, Extensional and intensional definitions, Kwun Tong line extension, Extension of a topological group, Overlap extension polymerase chain reaction, Operator (extension), Extension Mechanisms for DNS, Small Kana Extension, National Extension College, Axiom of extensionality, Homestead Extension of Florida's Turnpike, CJK Unified Ideographs Extension A, CJK Unified Ideographs Extension D, East London line extension, National Institute of Agricultural Extension Management, Habitation Extension Modules, HNN extension, Dickebusch New Military Cemetery and Extension, Extension Gunners FC, Mallaig Extension Railway, Page Size Extension, Evergreen Extension, Haymarket North Extension, Tuen Mun South extension, Firefox Environment Backup Extension, Abbeville Communal Cemetery Extension, Bouzincourt Communal Cemetery Extension, Docklands Light Railway extension to Thamesmead, Quebec Boundaries Extension Act, 1912, College of Technology and Museum Extension, Continuous linear extension, Emergency Unemployment Compensation Extension Act, Convention for the Extension of Hong Kong Territory, South Extension, Aveluy Communal Cemetery Extension, Address Windowing Extensions, List of Harvard Extension School alumni, Central Tool Room Extension Centre, Nilokheri, Monterey County Rail Extension, CJK Unified Ideographs Extension C, Unique homomorphic extension theorem, South Carolina and Georgia Extension Railroad, Staggered extension process, Mashrak–Thawe Extension Railway, Combles Communal Cemetery Extension, Hull and South Yorkshire Extension Railway, Liverpool Overhead Railway Southern Extension Tunnel, CJK Unified Ideographs Extension I