{"book":"adl0946","page":237,"text":"۲۳۰\nپس به طریق اولی\nو ز + و م + ل م + ج > ا ج\nو قس علی هذا\nپس میگوئیم\nقضیه - هر ضلع هر کثیر الاضلاع كوچك تر\nاست از مجموع تمام اضلاع دیگر آن .\n۲۶۸ - این نتیجه با نتیجه عملی اینکه هر خط مستقیم اقصر\nراهی است از نقطه بنقطه\nدیگر موافق است .\nاگر نخی را که غیر قابل\nانبساط باشد برداشته\nدو سر آنرا در دو نقطه\nا و ج قرار دهیم (س ۱۹۰) نخ ما بشکل یک قوسی می شود که ا ج\nوتر آن است طول قوس همان طول قطعه نخ ما است .\nدر صورتی که آن را کاملاً از دو طرف کشیده باز کنیم واضح است","chars":461,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00237.jpg","first_page":1,"last_page":327,"title":"Handasah-ʼi musaṭṭaḥah barā-yi ṣinf-i haftum-i makātib-i rushdīyah, bi-qarār-i prūghram-i Vizārat-i Jalīlah-ʼi Muʻārif-i Afghānistān هندسۀ مسطحه :هندسۀ مسطحه","permalink":"https://afghanpress.org/book/adl0946/237","canvas":"https://afghanpress.org/iiif/adl0946/canvas/237","source":"https://afghanistandl.nyu.edu/books/adl0946/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0946_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}