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• Rule 1 of structured programming
• Rule 2 of structured programming
• Rule 3 of structured programming
• Rule 4 of structured programming
• Rule 5 of structured programming
• pure function
• top-down design
• Universal Flow Chart
• for statement
• top-driven loops
• recursion

Notes:

1. Structured programming is discussed in the classic paper "GOTO Statement Considered Harmful" by Edsger W. Dijkstra, Communications of the ACM, Volume 11 Issue 3, March 1968
2. The "structured programming theorem": Flow Diagrams, Turing Machines and Languages with Only Two Formation Rules" (see also the next reference).
3. Wikipedia has a good discussion: https://en.wikipedia.org/wiki/Structured_programming
4. Much of this material comes from lectures by Prof. Ross Overbeek at Northern Illinois University.