{"book":"adl0946","page":71,"text":"۶۴\n\nبر روی هم واقع می شوند پس می توانیم بگوئیم (از روی ۷۱ و\n۷۲ و ۷۶) .\nقضیّه - هر دائره در حرکت دورانی بدور مرکز\nبر روی خود می لغزد .\n۸۶-تبصره راجع بلزوم تدقیق در مسائل هندسی-\nبعضی اصطلاحات در هندسه باعث اشتباه می شوند و\nباید در آنها تدقیق نمود .\nمثلاً در ۷۱ گفتیم یک خط می تواند بروی خود بلغزد و در\nاینجا می گوئیم ممکن است یک دائره بروی خود بلغزد واضح است\nکه این دو حرکت که بواسطه کلمۀ لغزش بیان شده با یک\nدیگر متفاوت اند پس باید اصطلاح مبهم لغزش را از بین برد\nبه همین جهت لغزش ۸۵ را دوران می نامیم.\n۸۷ - مسئله - در ۸۲ تغییر محل دورانی را درجهة\nگردش يك نیم خط که از مرکز عبور کرده باشد دیدیم\nحال میخواهیم خواص تغییر محلّ نیم خط دیگر را که","chars":639,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00071.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/adl0946/71","canvas":"https://afghanpress.org/iiif/adl0946/canvas/71","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."}}