To treat the concept of 'Limit' dealt with in the secondary school as topological structure concretely and precisely,
1. the concept and the definition of 'Limit' are investigated in the second section,
2. various problems connected with "Limit' in th...
To treat the concept of 'Limit' dealt with in the secondary school as topological structure concretely and precisely,
1. the concept and the definition of 'Limit' are investigated in the second section,
2. various problems connected with "Limit' in the secondary schoo l are examined in the third section,
3. the method for practical instruction, which is based on this concept, is suggested in the fourth section.