Abstract
You are faced with the problem of putting a 3000-piece jigsaw together. Where on earth do you start? You look at the picture on the box lid. Here is a large patch of sky, here is a lake, here in the top right-hand corner is a tree full of autumn tints and here in the centre is a herd of cattle. Jigsaws go together by joining one piece to another but you know from experience that such a large jigsaw requires a systematic method to get you off the ground. Look for the border pieces; if you can put all the border pieces together then you can start working inwards. Every border piece has a straight edge. Some have two — these are the corner pieces. Now the jigsaw is starting to take shape.
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© 1995 Dexter J. Booth
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Booth, D.J. (1995). Predicate calculus. In: Foundation Discrete Mathematics for Computing. Tutorial Guides in Computing and Information Systems. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-7114-2_5
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DOI: https://doi.org/10.1007/978-1-4899-7114-2_5
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-412-56280-8
Online ISBN: 978-1-4899-7114-2
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