{"book":"adl0938","page":509,"text":"۵۰۲\nاربعه\nسوالات این قاعده بدو قسم حل کرده میشود.\nاول ـ بذریعه اصول ابتدائی که آنرا قاعده احدیت مینامند.\nدوم ـ به تناسب ـ\nقاعده احدیت\nدرین قاعده استعمال ضرب و تقسیم مرکب میشود، بدین وجه در فهمیدن\nاین چندان زحمت رو نمیدهد.\nاین قاعده را بطرز ذیل باید فهماند: ـ\nدفعه اول ـ چون قیمت چند اشیا معلوم باشد، قیمت یک شی را معلوم نمائید\nاین دو صورت دارد، که هر کدام را علیحده علیحده درس باید داد.\nاول ـ صورت مستقیم ـ مثلاً اگر قیمت ۱۲ عدد کلاه مبلغ ۳۶ روپیه باشد\nپس قیمت یک کلاه را معلوم کنید.\nدوم ـ صورت معکوس ـ مثلاً، اگر ۲۴ مرد یک کار را در ۸ روز کنند\nیک مرد آنرا بچند روز خواهد کرد.\nدفعه دوم ـ چون قیمت یک شی معلوم باشد، پس قیمت چند اشیا را دریافت کنید.","chars":647,"image":"https://storage.googleapis.com/adl-page-images/adl0938/00509.jpg","first_page":1,"last_page":719,"title":"ʻIlm al-taʻalīm عالم التعليم","permalink":"https://afghanpress.org/book/adl0938/509","canvas":"https://afghanpress.org/iiif/adl0938/canvas/509","source":"https://afghanistandl.nyu.edu/books/adl0938/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0938_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."}}