Lesson plan

LIS (programming language)

LIS (Language d'Implementation de Systèmes) was a system implementation programming language designed by Jean Ichbiah, who later designed Ada. LIS was based on Pascal and Simula. It was used to implement the compiler for the Ada-0 subset of Ada at Karlsruhe on the BS2000 Siemens operating system. Later on the Karlsruhe Ada compilation system got rewritten in Ada-0 itself, which was easy, because LIS and Ada-0 are very close.

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Article summary

LIS (Language d'Implementation de Systèmes) was a system implementation programming language designed by Jean Ichbiah, who later designed Ada. LIS was based on Pascal and Simula. It was used to implement the compiler for the Ada-0 subset of Ada at Karlsruhe on the BS2000 Siemens operating system. Later on the Karlsruhe Ada compilation system got rewritten in Ada-0 itself, which was easy, because LIS and Ada-0 are very close.

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  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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