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Cut the Knot

Cut the Knot!: Mathematics: The Science of Patterns

For Students 9th - 10th
A book excerpt, this page discusses John Venn's "simple, geometric method for checking the validity of syllogisms," with diagrams, examples, and related links.
PPT
Other

Fagler College/nas 111/scientific Methodology

For Students 9th - 10th
Power Point presentation on scientific method for NAS 102 Human and Environmental Biology II.