A good example would be Hoare's CSP( http://www.usingcsp.com/cspbook.pdf ).For example,Clock = (tick --> Clock).And the behavior would be: tick,tick tick....CSP theory heavily uses the "recursive" concept/term to describe an infinite loop PROCESS.I was just curious why we adopted the "stuttering", instead of "recursive", to describe the consecutive STEPs that do not change states.Have a nice weekend,Mike--On Fri, May 28, 2021 at 11:43 PM Stephan Merz <stephan.merz@xxxxxxxxx> wrote:I am not aware of the use of "recursive" that you refer to. Could you give a reference?--StephanOn 27 May 2021, at 05:56, Huailin <huailin@xxxxxxxxx> wrote:Team,While the word "stuttering" is really precise for describing that a state is not being updated/changed and stay as is after an action got applied, I am wondering why i feel the "stuttering" semantics herein in TLA+ is equal to the "recursive" in PL or some Formal Method fields.I am very curious why Lamport proposed the "stuttering", instead of using the "recursive", to describe a state not being changed?:--))))Thanks,Mike--
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