File:Addition of integers using Grothendieck construction.svg

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English: A depiction of the sum (−2) + 1 = (−1) using the Grothendieck group construction of integers as equivalence classes of pairs of natural numbers. Representing −2 = <2, 4> and 1 = <3, 2>, we have
−2 + 1 = <2, 4> + <3, 2> = <5, 6> = −1.
Русский: Сложить (−2) и 1, используя только положительные числа: (2 − 4) + (3 − 2) равно 5 − 6.
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Author Melchoir
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Date/TimeThumbnailDimensionsUserComment
current10:20, 27 January 2019Thumbnail for version as of 10:20, 27 January 2019138 × 282 (4 KB)JoKalliauer (talk | contribs)<xapGImg:image>/9j/4AAQSkZJRgABAgEASABIAAD/7QAsUGhvdG9zaG9wIDMuMAA4QklNA+0AAAAAABAASAAAAAEA AQBIAAAAAQAB/+4ADkFkb2JlAGTAAAAAAf/bAIQABgQEBAUEBgUFBgkGBQYJCwgGBggLDAoKCwoK DBAMDAwMDAwQDA4PEA8ODBMTFBQTExwbGxscHx8fHx8fHx8fHwEHBwcNDA0YEBAYGhURFRofHx8f Hx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8f/8AAEQgBAACAAwER AAIRAQMRAf/EAaIAAAAHAQEBAQEAAAAAAAAAAAQFAwIGAQAHCAkKCwEAAgIDAQEBAQEAAAAAAAAA AQACAwQFBgcICQoLEAACAQMDAgQCBgcDBAIGAnMBAgMRBAAFIRIxQVEGE2EicYEUMpGhBxWxQiPB UtHhMxZi8CRygvElQzRT...
00:14, 10 September 2012Thumbnail for version as of 00:14, 10 September 2012138 × 282 (16 KB)Melchoir (talk | contribs)User created page with UploadWizard

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