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TLA in pictures

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1 Author(s)
Lamport, L. ; Syst. Res. Center, Digital Equipment Corp., Palo Alto, CA, USA

Predicate-action diagrams, which are similar to standard state-transition diagrams, are precisely defined as formulas of TLA (the Temporal Logic of Actions). We explain how these diagrams can be used to describe aspects of a specification-and those descriptions then proved correct-even when the complete specification cannot be written as a diagram. We also use the diagrams to illustrate proofs

Published in:

Software Engineering, IEEE Transactions on  (Volume:21 ,  Issue: 9 )