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…e in Semantics/LTS/Basic that messed with my progress.
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fmontesi
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Mar 19, 2026
| have hprefix := LTS.STrN.tr hprefix_τ htr hstr2 | ||
| have conc := LTS.STrN.append lts hprefix h3 | ||
| grind | ||
| [HasTau Label] (lts : LTS State Label) |
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Needs double indentation per Mathlib style. In general, all lines after the first and before the := are doubly-indented. Please apply also to your other modifications. :-)
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LGTM assuming CI passes. There's just a minor style fix to apply (see my comment), and then I'm happy to merge this! Thanks for cleaning it up! :-) |
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Introducing a saturated tau transition to make the definition of weak bisimulation closer to the definition of branching bisimulation (which is a todo still). Also, it removes the need for STrN, since inductive proofs on weak bisimulation can now simply follow the inductive definition.
Two files are updated: Semantics/LTS/Basic and Semantics/LTS/Bisimulation
I had a previous PR on this #220, which I "restarted" because the .git history got messed up a bit after there were quite a few changes to Semantics/LTS/Basic. In short, I am removing the definition of STrN which, imo, is not necessary anymore. But the recent changes placed it back, and I needed a restart to make sure I was not damaging anything.