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Paper Logic Machine

Published online by Cambridge University Press:  03 November 2016

Michael Holt
Michael Holt*
Affiliation:
27 The Avenue, Kew, Surrey
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Extract

Junior School children seem to be able to get the feel of the Klein group by using aptly-prepared paper sheets and wooden blocks. Perhaps, surprisingly, they can also handle such logical implications (when suitably embodied in devices) as:

A→B, ∼B→∼A, B→A, and ∼A→∼B

Here “→” means “implies” and “∼” means “not.”

Type
Research Article
Information
The Mathematical Gazette , Volume 56 , Issue 395 , February 1972 , pp. 25 - 27
Copyright
Copyright © Mathematical Association 1972

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References

1. Dienes, Z.P. The Power of Mathematics. Hutchinson, 1964.Google Scholar
2. Inhelder, B., and Piaget, J. The Growth of Logical Thinking From Childhood to Adolescence. Basic Books, 1958.CrossRefGoogle Scholar