The weakest precondition of a series of statements is the composition of the weakest preconditions of its parts.

Question

Quizplus · Accepted Answer

This is a well-known property of weakest preconditions, also known as the Weakest Precondition Calculus. It states that the weakest precondition of a sequence of statements is the composition (i.e., logical "and") of the weakest preconditions of each statement. This allows us to reason about the input conditions that must hold for a program to execute correctly.

The Weakest Precondition of a Series of Statements Is the Composition