Mahar mitsil is a mahar that is not determined at the time of the marriage contract, but is adjusted to the value usually received by the wife's family. This study aims to examine the opinions of the imams of the madhhab regarding mahar mitsil not being a condition for kafa'ah. This study discusses how to apply mahar mitsil so that it does not become a condition for kafa'ah. The research method in this article is empirical juridical. By using an empirical juridical approach, this study examines theories, concepts, and the Quran and Hadith related to mahar mitsil. Mahar mitsil according to Imam Syafi'i and Imam Maliki is not a condition for kafa'ah. Kafa'ah here is more related to equality in terms of religion and lineage. While mahar mitsil according to Imam Hanafi is part of the conditions for kafa'ah. However, mahar is very important, although mahar does not become a barrier to the validity of the marriage contract if the conditions for marriage are met.

Islamic Cultural History lessons at MI PSM Gedoro often face challenges in increasing student engagement due to being perceived as boring. To address this issue, this study applies the "Group Investigation" (GI) learning model, which aims to encourage teamwork, concentration, peer communication, and cognitive development. In the GI model, students work together to complete learning tasks, such as drawing conclusions or communicating their findings. Through GI, students are given the opportunity to actively seek information, discuss, and collaborate with their group members. The selection of the "Group Investigation" learning model for Islamic Cultural History aims to capture students' attention while working on practice questions, train them to think critically, increase their agility, review previously learned material, understand the content more deeply, and build good cooperation among peers. Classroom Action Research (CAR) is used as the research methodology. Results from the first cycle showed that 86.95% of students scored above 75, which increased to 95.65% in the second cycle. This indicates that the "Group Investigation" learning model effectively improves student engagement and learning outcomes.