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Proof step 27 from proof nopathex-update (previous step)

∃ fis0. ¬ dups(fis0 .keys) ∧ update(r0, fis, st) = update(r0, fis0, st) ∧ fis0 ⊆ fis, path∃(str, r, r0, update(r0, fis, st)) ⊦ junkref(str, r, st), _type ∈ fis, path∃(str, r, r0, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 26:
update(r0, fis, st) = update(r0, fis0, st), fis0 ⊆ fis, path∃(str, r, r0, update(r0, fis0, st)) ⊦ junkref(str, r, st), _type ∈ fis, path∃(str, r, r0, st), dups(fis0 .keys)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]