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ERIC Number: EJ436605
Record Type: Journal
Publication Date: 1991
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISSN: ISSN-0013-1954
Preformal Proving: Examples and Reflections.
Blum, Werner; Kirsch, Arnold
Educational Studies in Mathematics, v22 n2 p183-203 Apr 1991
Developed is a working definition of the concept of preformal proof through the analyses of an action proof, a geometric-intuitive proof, and a reality-oriented proof of a differential equation. Instructional problems for teachers and learners in connection with preformal proofs are pointed out. (MDH)
Publication Type: Journal Articles; Opinion Papers
Education Level: N/A
Audience: Teachers; Practitioners
Language: English
Sponsor: N/A
Authoring Institution: N/A