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Proof step 109 from proof hassharing-validrefs-dups (conclusion)

⊦ dups(refs) ∧ validrefs(str, refs, st[refs .first -- _type] .type, st) → hasSharing(refs .first, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 108:
validrefs(str, refs, st[refs .first -- _type] .type, st), dups(refs) ⊦ hasSharing(refs .first, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]