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Proof step 47 from proof addarray-identity (previous step)

rk .ref ≠ r, st[r -- _type] .type = mkarraytype(ty), is_array(r, st) ⊦ (rk ∈ addarray(r, ty, getarray(r, st), st) → rk ∈ st) ∧ st[rk] = st[rk]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 46:
st[r -- _type] .type = mkarraytype(ty), is_array(r, st), rk ∈ addarray(r, ty, getarray(r, st), st) ⊦ rk .ref = r, rk ∈ st

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]