Mathematical Reasoning Analysis in Solving Limit Functions Problems of Students in Mathematics Education of Pare-pare Muhammadiyah University

Abstract

This research aimed to describe the students‘ reason in solving the
problem of limit function and comparation between high-ability subject
(HS) and medium-ability subject (MS). The instrument in this research was
the researcher himself as the main instrument guided by the task limit
function and valid interview guidelines. Data collection was done by taskbased
interviews. The subjects of the study were V-semester students
consisting of 2 students (1 subject is having high ability and 1 subject is
having medium ability). The research process followed the steps of: (a)
formulating the mathematical reasoning indicator in solving the problem of
limit function based on theory, (b) formulating the supporting instrument
(task limit function and interviewing guide), (c) taking the research subject,
(d) taking the data to tell the students‘ reasoning in solving the limit function
tests (f) conducting analysis of mathematical reasoning data of the students
in solving the problem of function limit, (g) conducting discussion of
analysis result, (h) concluding the research results. The result of the research
showed that 1) the reasoning equation of the high-ability subject (HS) and
the medium ability subject (MS) in solving the function limit problem was
to do inductive reasoning first then perform deductive reasoning, 2)
difference of reasoning subject with high ability (HS) medium ability (MS)
in solving the problem of function limit was only in terms of mathematical
reasoning process.