Font Size: 

This study aims to explore and describe students' logical thinking skills in terms of tempo conceptual cognitive style on mathematical logic material for class X SMK Perdana 1 Surabaya. This research approach is a qualitative research with a descriptive type of research. The subjects in this study were four students of class X OTKP-2 SMK Perdana 1 who were selected based on the results of the MFFT test with two students representing the impulsive cognitive style group and two students representing the reflective cognitive style group. The instruments used are the MFFT test and the mathematical logic test. Data analysis techniques are carried out by reducing data, presenting data and drawing conclusions. The validity of the data using the triangulation method. There are three indicators of logical thinking ability, namely: sequential thinking, ability to reason and drawing conclusions. The results showed that: students with impulsive cognitive style only met 0-2 indicators, including: logical thinking and argumentation skills, thinking and drawing conclusions, ability to argue and drawing conclusions, logical thinking only, ability to argue only, drawing conclusions only, or does not even meet all of these indicators. Meanwhile, students with reflective cognitive style are able to fulfill 2-3 indicators of logical thinking ability, including: logical thinking and argumentation skills, thinking and drawing conclusions, ability to argue and drawing conclusions, and some who meet all of these indicators.