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Izidor Hafner
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Demonstrations 421  440 of 615
Logic with Logicians
Lewis Carroll's Diagram and Categorical Syllogisms
Logic on the Number Line
2D Logic Game with Letters
Geometric Illustration of MachinLike Formulas
Complex Numbers with Different Norms
Drilled Truncated Octahedron
Logic with Letters
Complex Number Game
Space Filling with a Prismatoid
Cartesian Coordinates Exercise
Logic with Complex Numbers
Approximating Pi with Inscribed NonRegular Polygons
Dissection of a Prismatoid into Prisms
Folding a Triangular Net into a Boat
NewtonSimpson's Formula for the Volume of a Prismatoid
Total Differential of the First Order
Another Knights and Knaves Puzzle Generator
Deaf Island Puzzle Generator
Dissecting a Rhombohedron into Two Congruent Rhombohedra
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