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Proof step 7 from proof validrefnotnull-primarray (conclusion)

⊦ is_primtype(ty) → (validrefnotnull(str, r, mkarraytype(ty), st) ↔ okarray(r, ty, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
is_primtype(ty) ⊦ validrefnotnull(str, r, mkarraytype(ty), st) ↔ okarray(r, ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]