Hurley’s A Concise Introduction to Logic, 11th Edition
How to Make an Origami Crane
Make your own origami crane using these instructions and the perforated sheet of paper included in your book.
1. Start with a square piece of paper, colored side up. Fold in half and open. Then fold in half the other way.
2. Turn the paper over to the white side. Fold the paper in half, crease well and open, and then fold again in the other direction.
3. Using the creases you have made, bring the top 3 corners of the model down to the bottom corner. Flatten model.
The iconic red crane on the cover of this new edition of Hurley’s, A Concise Introduction to Logic symbolizes the qualities that make it the most successful logic text on the market. We have chosen origami to symbolize this text’s careful sequencing, precision, elegance, and clarity.
About the Cover
4. Fold top triangular flaps into the center and unfold.
5. Fold top of model downwards, crease well and unfold.
6. Open the uppermost flap of the model, bringing it upwards and pressing the sides of the model inwards at the same time. Flatten down, creasing well.
Couple an icon steeped in tradition with a clean, modern design, and you will quickly get a sense of the qualities that make this new edition of Hurley the best yet. Along with instructions, each new text includes a sheet of red paper so that you can bring the cover to life. This exercise serves as a metaphor for the process of learning logic. It is challenging, requires practice, but can be fun. Ideas for other ways to create your own origami can be found at www.origami-resource-center.com.
7. Turn model over and repeat Steps 4-6 on the other side.
8. Fold top flaps into the center.
9. Repeat on other side. 10. Fold both ‘legs’ of 11. Inside Reverse Fold the “legs” model up, crease along the creases very well, then you just made. unfold.
Finished Crane. 12. Inside Reverse Fold one side to