First principles

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First, First aid, First to file and first to invent, First Minister and Deputy First Minister of Northern Ireland, First Minister of Scotland, First Beeline, First baseman, First London, First Boston, First West Yorkshire, FIRST Robotics Competition, First Worcester, First Student, First family, First contact, First Act, First Love, First aid kit, First lady, First woman, First degree, First Time, First Fruits, B2 First, First impression, First ladies of Pennsylvania, First Nations, Who's on First?, First Light, First American, First Line, First man or woman, First ascent, First Fleet, Credit Suisse First Boston, First of May, First person, First Union, First Horizon Bank, The First Noel, First Things First, First Cut, Kʼómoks First Nation, First Things First (album), FIRST Tech Challenge, First ladies of Nevada, Deputy First Minister of Scotland, First National Pictures, Ɂakisq̓nuk First Nation, List of first ladies of Minnesota, Stoney Nakoda First Nation, Singaporeans First, FIRST Lego League Challenge, First Glasgow, First Hampshire & Dorset, First-order logic, First-person narrative, First Lady of the United States, First Ministers' conference, First-class cricket, First Kiss, First Minister of Wales, First responder, First-rate, First ladies and gentlemen of Alaska, First Nehru ministry, First-order, First Artists, First Step, First-person (video games), First ladies and gentlemen of North Carolina, First Nations in Ontario, First Lady of Ethiopia, First South West, First ladies and gentlemen of Guam, First 100 days of the first Trump presidency, First principle, First strike, First and Last, First Presidency (LDS Church), First Album, First ladies of Wisconsin, First American Financial Corporation, First grade, Dehcho First Nations, First Data, First Republic of Korea, First Lady of Venezuela, First Merchants Corporation, First Chicago Bank, First ladies and gentlemen of the Philippines, First ladies and gentlemen of Oklahoma, Breadth-first search, First Scotland East, First-foot, First minister, First Dates, Be First, First-hitting-time model, First-wave feminism, First Bus East of England, First ladies and gentlemen of Mexico, First Expired, First Out, Clovis First, First ladies of Florida, First Lord of the Admiralty, For the First Time, First day of issue, First Growth, First Nations in Canada, First West of England, The First 48, FirstGroup, RSS First Step, First Evil, First Lady of the Gambia, First ladies of Maryland, First Hill, Seattle, FIRST Championship, First sergeant, First Blood, First Internet Bank, Mitaanjigamiing First Nation, First pass effect, First white child, First ladies and gentlemen of Arkansas, Love at First Sight, Wizard's First Rule, Ceremonial first pitch, First period, First World problem, First hand, First Folio, First Things First (talk show), First ladies of North Dakota, First lieutenant, Sq'éwlets First Nation, Maxillary first premolar, First Second Books, First Church, Nanoose First Nation, The First, Certified first responder, First class, First-mover advantage, Sofia the First, First Lady of Brazil, Sipekne'katik First Nation, First ladies and gentlemen of Gabon, First Sea Lord, First Lady (disambiguation)