Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
suyuti:1777a
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السيوطي:١٧٧٧a

"إِذا دَخَلتَ مَسْجدًا فصَلِّ مع الناسِ وإنْ كنتَ قَدْ صلَّيتَ" .  

[ض] ضياء المقدسي في مختاره عن محجن الديلمى

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Collected by Suyūṭī
suyuti:1614a
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السيوطي:١٦١٤a

"إذَا جئتَ فَصَلّ مَعَ النَّاسِ وإنْ كنْتَ قدْ صَلَّيتَ".  

مالك، والشافعي، [ن] النسائي [حب] ابن حبّان [ق] البيهقى في السنن عن بُسْر بن محجن ، عن أبيه