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Turn claim 3 of simple-spec into an exercise #1

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Turn claim 3 of simple-spec into an exercise #1

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10 changes: 8 additions & 2 deletions tests/control-flow/simple-spec.k
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Expand Up @@ -16,8 +16,14 @@ module VERIFICATION
imports SIMPLE-SPEC-SYNTAX
imports CONTROL-FLOW

rule maxInt(X, Y) => Y requires X <Int Y [simplification]
rule maxInt(X, Y) => X requires notBool X <Int Y [simplification]
// Leave these lemmas out to turn the third claim into an exercise;
// Make a note that lemmas are missing and that they go here. Exercise is to
// figure out that `maxInt` is missing lemmas and implementing them correctly should
// be easy.
// An easier exercise could leave off only one of these lemmas.

// rule maxInt(X, Y) => Y requires X <Int Y [simplification]
// rule maxInt(X, Y) => X requires notBool X <Int Y [simplification]
endmodule

module SIMPLE-SPEC
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