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СЕ Com ::= L := E | ifB then C else C | C;C | while B do C | skip Be Bool := true | false | E = E | B&B | ¬ B ЕЕ Arith ::= L|n| (E + E)

СЕ Com ::= L := E | ifB then C else C | C;C | while B do C | skip Be Bool := true | false | E = E | B&B | ¬ B ЕЕ Arith ::= L|n| (E + E)

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Need help to either prove or disprove the following semantic equivalence:

(while B do C); if B then C else skip ⟺SOS while B do C (structural operational semantics)

СЕ Com ::%3 L := E | if B then C else C | C;C | while B do C | skip ВЕ Воol true | false | E = E | B&B | ¬B ЕЕ Arith L |n | (E + E)
Transcribed Image Text:СЕ Com ::%3 L := E | if B then C else C | C;C | while B do C | skip ВЕ Воol true | false | E = E | B&B | ¬B ЕЕ Arith L |n | (E + E)
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