The Nature and Validity of Sunna and Ḥadith

 Conceptology (Semantics) of Sunna and Ḥadith

 Studies on the Domain of Sunna (Religious Affairs, Common Affairs)

 The Validity of Sunna and Ḥadith (Origin, Reasons)

 Historicality of Sunna

 The Relationship Between Imams' Practice and the Holy Prophet's Practice

The History of Ḥadith

 Compilation of Ḥadith

 Isra'iliyyat[1], Distortion and Alternation of Ḥadith

 Paraphrasing in Ḥadith

Ḥadith Schools and Trends

The Relationship between the Qurʼān and Ḥadith

Interpretive- Positive (taʼsisi) Relationship

 Directive-Devotional(Irshadi-Taʿabbodi) Relationship

 The Role of Ḥadith in the Commentary of the Qurʼān

 Abrogation of the Qurʼān by Ḥadith

The Domain of Validity of Ḥadith in Understanding Religion

 The Validity of Ḥadith in Creeds

 The Validity of Ḥadith in Ethics

 The Validity of Ḥadith in Religious rules

 The Validity of Ḥadith in the Commentary of the Qurʼān

The Fundamentals of Understanding Ḥadith

 Sodῡrī Fundamentals (Concealment, Characteristics of Narrators, Commission and attribution,. . .)

 Dilālī Fundamentals (The Language of Hadith, Paraphrase, Segmentation of Ḥadith,. . .)

Method of Understanding Ḥadith

 Understanding Single Words (elements) and Compounds in terms of Meaning and Applications at the Time of Issuing Ḥadith

 The Collection of Intra-textual hints

  Finding  out the Occasions of Introducing Ḥadith

 The Formation of Ḥadith Family

 Paying Attention to Conflicting Ḥadiths (in Understanding the Text, in Understanding what Infallible Imams Mean)

 Utilization of Rational and Empirical Sciences (in Uttering Ḥadith, in Explaining Ḥadith)

Resources of Understanding Ḥadith

 Reason

the Qurʼān

Ḥadiths

 History

 Culture of the Time

 Scientific Axioms

The Criticism of Ḥadith

 The Principles of Criticism of Ḥadith

 External and Internal Criticisms and Their Values

 The Criticism of the Content of Interpretive Ḥadith

 The Criteria for the Criticism of Ḥadith (Qurʼānic Verses, Ḥadiths, Reason)