Islam Study Guide
Study Guide
📖 Core Concepts
Islam – Abrahamic monotheistic faith based on the Qur’an (final, verbatim word of God) and Muhammad’s teachings.
Muslim – A follower who “submits” to God (root S‑L‑M = safety, peace).
Tawḥīd – Absolute oneness of God; any association of partners = shirk (major sin).
Shahada – Declaration of faith: “There is no deity except God, and Muhammad is the messenger of God.”
Five Pillars – Core acts of worship: Ṣalāh, Zakāh, Ṣawm, Ḥajj, plus the testimony (Shahada).
Qur’an & Sunnah – Primary sources of Islamic law; Qur’an is literal word, Sunnah = Prophet’s sayings/actions.
Hadith – Reports of Muhammad’s words/acts; graded ṣaḥīḥ (authentic), ḥasan (good), ḍaʿīf (weak).
📌 Must Remember
Sunni ≈ 87‑90 %, Shia ≈ 10‑13 % of Muslims worldwide.
Zakat rate = 2.5 % of qualifying wealth each lunar year.
Five daily prayers: Fajr (dawn), Dhuhr (noon), Asr (afternoon), Maghrib (sunset), Isha (night).
Ramadan fasting: no food/drink/sex from dawn (ṣubḥ) to sunset (maghrib).
Hajj required once if physically & financially able; rites include Tawaf (7 circles), Saʿī (Safa‑Marwa), Arafat, Ramy al‑Jamarat (stoning).
Qiyās (analogical reasoning) & ijmāʿ (scholarly consensus) are secondary legal sources.
In‑shā‑Allāh = “if God wills”; reflects belief in divine predestination (al‑qadāʾ wa al‑qadar).
🔄 Key Processes
Performing Wudu (minor ablution)
Wash face → wash arms up to elbows → wipe head → wash feet up to ankles.
Calculating Zakat
Determine nisab (minimum wealth, usually the value of 85 g gold).
Subtract immediate debts → 2.5 % of remaining amount → distribute to eligible recipients.
Hajj Sequence
Ihram (state of purity) → Tawaf → Saʿī → Arafat (standing) → Muzdalifah (collect pebbles) → Ramy al‑Jamarat → Tawaf al‑Ifadah → Saʿī → Tawaf al‑Wada (farewell).
Hadith Classification
Examine sanad (chain of narrators) for reliability → evaluate matn (text) → assign grade (ṣaḥīḥ/ḥasan/ḍaʿīf).
🔍 Key Comparisons
Sunni vs. Shia
Leadership: Sunni → elected/consensus caliphs; Shia → hereditary Imams from Ahl al‑Bayt.
Jurisprudence: Sunni → Hanafi, Maliki, Shafiʿi, Hanbali; Shia → Jaʿfari.
Holy sites: Shia emphasize Imam shrines (Najaf, Karbala, Qom).
Ṣaḥīḥ vs. Ḥasan vs. Ḍaʿīf Hadith
Chain: uninterrupted, reliable narrators → ṣaḥīḥ; minor issues → ḥasan; major gaps/weak narrators → ḍaʿīf.
⚠️ Common Misunderstandings
“Jihad = holy war” – Actually means striving; the “greater jihad” is personal spiritual effort.
“All Muslims must pray five times in congregation” – Obligatory prayers can be performed individually; congregational prayer is mustahabb (recommended).
“Shia reject the Qur’an” – Both Sunni and Shia accept the Qur’an as unchanged; they differ on later scriptures (Tawrat, Injil).
“All Muslims are Arabs” – Arabs are the largest ethnic group, but Muslims are globally diverse (Asian, African, etc.).
🧠 Mental Models / Intuition
“One God = One Law” – Tawḥīd → everything stems from God’s will → legal rulings aim to reflect divine unity.
“Pillars as a house” – Foundations (Shahada), walls (Salat, Zakat, Sawm), roof (Hajj) – miss a pillar and the house is unstable.
“Chain of authority” – Qur’an → Sunnah → Hadith → Ijtihad → Madhhab → Fiqh rulings – a hierarchy that prevents contradictions.
🚩 Exceptions & Edge Cases
Zakat vs. Sadaqah – Zakat is obligatory, fixed percentage; Sadaqah is voluntary, any amount, any time.
Ritual purity – Wudu suffices for Salat; Ghusl required after sexual activity, menstruation, or childbirth.
Polygyny – Allowed up to four wives only if equal treatment can be guaranteed; otherwise prohibited.
📍 When to Use Which
Choosing a madhhab for personal rulings – If you have a local scholar, follow his madhhab; otherwise, select the most prevalent one in your community (e.g., Hanafi in South Asia).
Applying Qiyās – Use when Qur’an & Sunnah are silent on an issue; analogize from a known ruling (e.g., prohibition of new intoxicants by analogy to alcohol).
Deciding between Zakat and Sadaqah – Use Zakat for obligatory wealth purification; give Sadaqah for spontaneous charity or to help beyond the Zakat categories.
👀 Patterns to Recognize
Meccan vs. Medinan surahs – Spiritual/ethical themes (Meccan) vs. legal/social regulations (Medinan).
Hadith grading clues – Long isnads with well‑known scholars → likely ṣaḥīḥ; unnamed or controversial narrators → suspect.
Legal rulings categories – Fard (mandatory) → missed = sin; Mustahabb (recommended) → extra reward; Mubah (permitted) → neutral; Makruh (disliked) → minor sin; Haram (prohibited) → major sin.
🗂️ Exam Traps
Distractor: “Shia Muslims do not pray five daily prayers.” – False; they pray the same Salat but may have different jurisprudential details.
Near‑miss answer: “Zakat is 5 % of wealth.” – Incorrect; the correct rate is 2.5 %.
Confusing “Wudu” with “Ghusl.” – Wudu is partial ablution; Ghusl is full-body bath required after major impurity.
Misidentifying the “Seal of the Prophets.” – Only Muhammad holds this title; not a later figure.
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Use this guide for a quick, high‑impact review before your exam. Focus on the bolded numbers, definitions, and step‑by‑step processes – they’re the most exam‑friendly.
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