Is exemplification the one and only way to describe that empty set is subset of any sets?

Trisna Roy Pradipta et al.

doi:10.17762/pae.v58i1.1636

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Published: Jan 15, 2021

DOI: https://doi.org/10.17762/pae.v58i1.1636

Trisna Roy Pradipta et al.

Abstract

Various methods and techniques in mathematical proof really need to be introduced to students. Since Studying set theory, there have been opportunities in teaching mathematical proof to students. Teacher are required to choose the right methods and techniques, and be able to develop the abilities of students. A survey was conducted with teachers, lecturers, and students of mathematics education regarding opinions and explanations of how to teach proof of one of the property in set theory. It is asked how to prove that an empty set is a subset of any set. Of the 96 respondents, 69 of them though that the most appropriate way was giving an example. Based on the survey result, there also other alternatives that are relevant even for junior high school students.

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Vol. 58 No. 1 (2021): Volume 58 No. 1 (2021)

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