I hold the principle that the construction of computer programs is a mathematical activity like the solution of differential equations. Programs can be derived from their specifications by mathematical insight calculation and proof, using algebraic laws as simple and elegant as those of elementary arithmetic.


Sequential Composition Logical Expression Roman Numeral Proof Obligation Abstract Program 
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© Springer-Verlag Berlin Heidelberg 1985

Authors and Affiliations

  • C. A. R. Hoare

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