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The application of formal logic to programs and programming

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The techniques required and results obtainable when applying logic to programs are well illustrated by Example 4. Firstly, it demonstrates the possibility of treating program segments in isolation, and using the results obtained directly in their condensed forms in a treatment of the containing program. With this technique, the amount of formalism involved at any one stage in the proof can be kept within reasonable bounds. It also shows that any program computing the dot product under the appropriate conditions may be substituted for the inner loop.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

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IBM Systems Journal  (Volume:10 ,  Issue: 1 )