achlipala / frap

Formal Reasoning About Programs

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Typo in ch. 13.3?

larsr opened this issue · comments

commented

In the code and on p. 78, commutes(_,_) is defined to take two arguments: an atomic action and a summary.

But on p. 79 (the first line) commutes(c_0, c_1) is called with two atomic actions.

Should the second argument instead be the summary s (as in the proof of commutes_sound)?

Yeah, that was a mistake, which is fixed now. Thanks for the report.