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  2. Pigeonhole principle - Wikipedia

    en.wikipedia.org/wiki/Pigeonhole_principle

    Although the pigeonhole principle appears as early as 1624 in a book attributed to Jean Leurechon, [2] it is commonly called Dirichlet's box principle or Dirichlet's drawer principle after an 1834 treatment of the principle by Peter Gustav Lejeune Dirichlet under the name Schubfachprinzip ("drawer principle" or "shelf principle").

  3. Philippine legal codes - Wikipedia

    en.wikipedia.org/wiki/Philippine_legal_codes

    The Local Government Code, enacted in 1991, establishes the system and powers of the local government in the Philippines: provinces, cities, municipalities and barangays. The Local Government Code empowers local governments to enact tax measures, including real property taxes, and assures the local governments a share in the national internal ...

  4. Peter Gustav Lejeune Dirichlet - Wikipedia

    en.wikipedia.org/wiki/Peter_Gustav_Lejeune_Dirichlet

    He first used the pigeonhole principle, a basic counting argument, in the proof of a theorem in diophantine approximation, later named after him Dirichlet's approximation theorem. He published important contributions to Fermat's Last Theorem, for which he proved the cases n = 5 and n = 14, and to the biquadratic reciprocity law. [3]

  5. Government of the Philippines - Wikipedia

    en.wikipedia.org/wiki/Government_of_the_Philippines

    The government of the Philippines (Filipino: Pamahalaan ng Pilipinas) has three interdependent branches: the legislative, executive, and judicial branches.The Philippines is governed as a unitary state under a presidential representative and democratic constitutional republic in which the president functions as both the head of state and the head of government of the country within a pluriform ...

  6. Siegel's lemma - Wikipedia

    en.wikipedia.org/wiki/Siegel's_lemma

    The existence of these polynomials was proven by Axel Thue; [1] Thue's proof used what would be translated from German as Dirichlet's Drawers principle, which is widely known as the Pigeonhole principle. Carl Ludwig Siegel published his lemma in 1929. [2] It is a pure existence theorem for a system of linear equations.

  7. Dirichlet's approximation theorem - Wikipedia

    en.wikipedia.org/wiki/Dirichlet's_approximation...

    This theorem is a consequence of the pigeonhole principle. Peter Gustav Lejeune Dirichlet who proved the result used the same principle in other contexts (for example, the Pell equation) and by naming the principle (in German) popularized its use, though its status in textbook terms comes later. [2] The method extends to simultaneous ...

  8. Politics of the Philippines - Wikipedia

    en.wikipedia.org/wiki/Politics_of_the_Philippines

    Politics in the Philippines are governed by a three-branch system of government. The country is a democracy, with a president who is directly elected by the people and serves as both the head of state and the head of government. The president serves as the leader of the executive branch and is a powerful political figure.

  9. Constitution of the Philippines - Wikipedia

    en.wikipedia.org/.../Constitution_of_the_Philippines

    The Philippines follows a jus sanguinis system where citizenship is mainly acquired through a blood relationship with Filipino citizens. Natural-born citizenship forms an important part of the political system as only natural-born Filipinos are eligible to hold high offices, including all elective offices beginning with a representative in the ...