First order functions

First, First aid, First to file and first to invent, First Minister and Deputy First Minister of Northern Ireland, First London, First Beeline, First Minister of Scotland, First baseman, First Boston, First West Yorkshire, FIRST Robotics Competition, First Worcester, First Student, First contact, First Act, First Love, Stoney Nakoda First Nation, First aid kit, First lady, First family, First woman, First degree, B2 First, First Time, First Fruits, First impression, First ladies of Pennsylvania, First Light, Who's on First?, First American, First Nations, First Line, First man or woman, Credit Suisse First Boston, First ascent, First Fleet, First person, First of May, First ladies of Nevada, The First Noel, First Horizon Bank

Kʼómoks First Nation, First Union, First-order logic, First Cut, FIRST Tech Challenge, Deputy First Minister of Scotland, Singaporeans First, First Hampshire & Dorset, First Glasgow, Ɂakisq̓nuk First Nation, First Lady of the United States, First Things First, FIRST Lego League Challenge, First Things First (album), First-class cricket, First National Pictures, List of first ladies of Minnesota, First Kiss, First Ministers' conference, First-person narrative, First Nehru ministry, First Artists, First-order, First ladies and gentlemen of Alaska, First-rate, First ladies and gentlemen of North Carolina, First Minister of Wales, First Step, First-person (video games), First Lady of Ethiopia, First responder, First 100 days of the first Trump presidency, First South West, First and Last, First Nations in Ontario, First ladies and gentlemen of Arkansas, First principle, First strike, First Presidency (LDS Church), First ladies and gentlemen of Guam, First Album, First grade, First ladies of Wisconsin, First Merchants Corporation, First Republic of Korea, First ladies and gentlemen of the Philippines, First American Financial Corporation, Dehcho First Nations, Be First, First-wave feminism

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